Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#4526 2014-02-10 02:04:08

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4527 2014-02-10 17:39:21

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,
.
The solutions #4629 and #4630 are correct. Marvelous!

#4631.

#4632.


Character is who you are when no one is looking.

Offline

#4528 2014-02-10 17:44:38

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4529 2014-02-11 01:01:38

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4631 and #4632 are correct. Splendid!

#4633. Find the value of

.

#4634. Find the value of

.


Character is who you are when no one is looking.

Offline

#4530 2014-02-11 01:08:39

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;



In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4531 2014-02-11 17:51:18

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4633 and #4634 are correct. Neat work!

#4635. Find the value of

.

#4636. Find the value of

.


Character is who you are when no one is looking.

Offline

#4532 2014-02-11 21:32:03

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4533 2014-02-12 01:20:50

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4635 and #4636 are correct. Neat work!

#4637. Find the value of

.

#4638. Find the value of

.


Character is who you are when no one is looking.

Offline

#4534 2014-02-12 01:26:46

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4535 2014-02-12 17:16:11

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4637 and #4638 are correct. Marvelous!

#4639. Find the value of

.

#4640. Find the value of

.


Character is who you are when no one is looking.

Offline

#4536 2014-02-12 17:34:34

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4537 2014-02-13 01:41:41

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4639 and #4640 are correct. Excellent!

#4641. Find the value correct to four decimals:

.

#4642. Find the value correct to four decimals:

.


Character is who you are when no one is looking.

Offline

#4538 2014-02-13 04:49:18

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4539 2014-02-13 16:32:50

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4641 and #4642 are correct. Remarkable!

#4643. If 1³ + 2³ + 3³ + ...... + 9³ = 2025,  then find the value of (0.11)³ + (0.22)³ + (0.33)³ + .... + (0.99)³ to four places.

#4644. Simplify :

.


Character is who you are when no one is looking.

Offline

#4540 2014-02-13 17:34:25

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4541 2014-02-14 01:36:43

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solution #4643 is correct. Good work!

#4645. Simplify :

.

#4646. Find the value of x:

.


Character is who you are when no one is looking.

Offline

#4542 2014-02-14 02:31:48

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,526

Re: 10 second questions

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

Offline

#4543 2014-02-14 04:42:44

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4544 2014-02-14 16:31:59

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi anonimnystefy and bobbym,

The solutions #4645 and #4646 are correct. Excellent!

#4647. If

, find the value of
.

#4648. Find the value of

.


Character is who you are when no one is looking.

Offline

#4545 2014-02-14 16:59:16

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4546 2014-02-15 00:05:22

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4647 and #4648 are both correct. Exemplary!

#4649. If

, then find the value of x.

#4650. If

and
, then find the value of a.


Character is who you are when no one is looking.

Offline

#4547 2014-02-15 00:15:06

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4548 2014-02-15 00:41:09

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4649 and #4650 are correct. Brilliant!

#4651. If

, then find the value of x.


Character is who you are when no one is looking.

Offline

#4549 2014-02-15 01:06:28

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,771

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4550 2014-02-15 01:24:16

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solution

.

#4652. If

and
, then find the value of
.


Character is who you are when no one is looking.

Offline

Board footer

Powered by FluxBB