WHAT IS THE FORMULA FOR (A+B) CUBED AND ANSWER THIS QUESTION. (4M to the fifth N) cubed
2007-10-10 15:09:34 · 3 answers · asked by ZJ VANDALS 1 in Science & Mathematics ➔ Mathematics
(a+b)(a+b)(a+b)
(a^2 +2ab +b^2)(a+b)
a^3 +2a^2b +ab^2 +a^2b+2ab^2 +b^3
a^3 + 3a^2b +3ab^2 + b^3
2007-10-10 15:16:25 · answer #1 · answered by bz2hcy 3 · 0⤊ 0⤋
A+B
A+B
A2 + AB
AB + B2
A2 + AB + B2
A + B
A3 + A2B + AB2
A2B + AB2 + B3
A^3 + 2A^2 + 2AB^2 + B3
The formula and answer for (A + B)^2 is
A^3 + 2A^2 + 2AB^2 + B^3
2007-10-10 15:20:03 · answer #2 · answered by AJ 2 · 0⤊ 0⤋
First, you may have noticed that most people here use the carat "^" for powers. You should do that too.
(a+b)^3 = a^3+3a^2b+3ab^2+b^3.
As for the second item [4*M^5*N]^3 is 64*M^15*N^3.
2007-10-10 15:18:26 · answer #3 · answered by cattbarf 7 · 0⤊ 0⤋