Question

Expand (5a + b)5.

Answer 1

open bracket.

Answer 2

she mean ^5?

use binomial theorem .

Answer 3

oh, then bino

Answer 4

295a5 + 3125a4b + 1250a3b2 + 250a2b3 + 25ab4 + b5

3125a5 + 3125a4b + 1250a3b2 + 250a2b3 + 25ab4 + b5

3125a5 - 3125a4b + 1250a3b2 - 250a2b3 + 25ab4 - b5

3125a5 + 3125a4b + 1250a3b2 + 250a2b3 + 25ab4 + 10b5

Answer 5

these are the answer choices

Answer 6

3125*a^5+3125*a^4*b+1250*a^3*b^2+250*a^2*b^3+25*a*b^4+b^5

Answer 7

is that C?

Answer 8

I think this is the result, 3125*a^5+3125*a^4*b+1250*a^3*b^2+250*a^2*b^3+25*a*b^4+b^5
Pl check the options.

Answer 9

c has a - so it b :P

Answer 10

thanksss

Answer 11

de nada