Math Is Fun Forum

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.

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

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?

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“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
The knowledge of some things as a function of age is a delta function.

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.

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?

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

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
The knowledge of some things as a function of age is a delta function.

Johnathon bresly

Guest

Re: Formula for equation

Oh,thank you,I got it

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

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
The knowledge of some things as a function of age is a delta function.