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#1 2012-10-28 14:05:22

Johnathon bresly
Guest

Formula for equation

You were right about that integral(my brother didn't knnw the solution either,but now he has given me another problem-

make a formula using a and b for x and y.

#2 2012-10-28 14:16:38

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,522

Re: Formula for equation

When the two sides are added together, the left hand side turns out to be (x-y)^3. From there you can get:

.

Can you continue from here?


“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

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#3 2012-10-28 14:37:17

Johnathon bresly
Guest

Re: Formula for equation

Well,even if i find

i will need x and y so that they follow those 2 equation.

#4 2012-10-28 14:38:40

Johnathon bresly
Guest

Re: Formula for equation

Well,even if i find

i will need x and y so that they follow those 2 equation,what formula would be then?

#5 2012-10-28 14:41:26

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,522

Re: Formula for equation

Well, you can say that

and then substitute that into the second equation you are given. Then you can get y.


“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

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#6 2012-10-28 15:29:42

Johnathon bresly
Guest

Re: Formula for equation

Oh,thank you,I got it

#7 2012-10-28 21:00:03

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,522

Re: Formula for equation

You're welcome.


“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

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