Which of the following expressions is equivalent to a 3 + b 3? (a - b )(a 2 + ab + b 2 ) a 3 + a 2b + ab 2 - Brainly.com
![For two 3 × 3 matrices A and B , let A + B = 2B' and 3A + 2B = I3 , where B' is the transpose of B and I3 is 3 × 3 identify matrix. Then : For two 3 × 3 matrices A and B , let A + B = 2B' and 3A + 2B = I3 , where B' is the transpose of B and I3 is 3 × 3 identify matrix. Then :](https://i.ytimg.com/vi/orrP3qWKJZc/maxresdefault.jpg)
For two 3 × 3 matrices A and B , let A + B = 2B' and 3A + 2B = I3 , where B' is the transpose of B and I3 is 3 × 3 identify matrix. Then :
![Cubic Formula Proof | (a+b)3=a3+3a2b+3ab2+b3 | Proof of (a+b)^3 | Expand (a+ b)^3 | a+b Whole Cube - YouTube Cubic Formula Proof | (a+b)3=a3+3a2b+3ab2+b3 | Proof of (a+b)^3 | Expand (a+ b)^3 | a+b Whole Cube - YouTube](https://i.ytimg.com/vi/lfoc9iqbM2Y/maxresdefault.jpg)