Friday

April 18, 2014

April 18, 2014

Posted by **ALISON** on Monday, March 19, 2012 at 12:03am.

How do I use long division to get (a^2+ab+b^2).

I'm given.....

1). (a^3-b^3)/ (a-b)

I cant get that answer. Help?

- precalc!!!!! -
**Bosnian**, Monday, March 19, 2012 at 12:16am( a - b ) * ( a ^ 2 + a * b + b ^ 2 ) =

a * a ^ 2 + a * a * b + a * b ^ 2 - b * a ^ 2 - b * a * b - b * b ^ 2 =

a ^ 3 + a ^ 2 * b + a * b ^ 2 - a ^ 2 * b - a * b ^ 2 - b ^ 3 =

a ^ 3 - b ^ 3

**Related Questions**

Geometry- how to write proof - ABC is a right triangle. Angle C is 90 degree. ...

Math (Proof) - Prove that if ab = ac (mod n) and a is relatively prime to n, ...

Advanced Maths (Vectors) AQA Level - Triangle ABC with D, E and F the midpoints ...

Advanced Maths (Vectors) AQA Level - Triangle ABC with D, E and F the midpoints ...

linear algebra - 1)If A is an invertible matrix and k is a positive integer, ...

geometry - ABC IS a isoceles triangle in which AB=AC 'IF AB and AC are produced ...

Vactors 12 - Let A and B be any two points on the plane and O be the origin. ...

Math: matrices - If A and B are both square n x n matrices, If AB = I, prove BA...

computer science - prove (a) A(Â+B)=AB & (b) A+ÂB=A+B both algebraically and ...

Precalc - Prove: sin2x*sinx/2cosx + cos^2 0 = 1