Question

(x+y)^3 = ?

Answer 1

Use binomial expansion

Answer 2

can u? @csaltos

Answer 3

:)

Answer 4

(a+b)^3 = a^3 + b^3 + 3a^2 b + 3ab^2

Answer 5

use this formula

Answer 6

yes, it's:
(x+y) * (x+y) * (x+y)
(x+y) * (x^2 + x*y + y*x + y^2)
(x+y) * (x^2 + 2*x*y + y^2)
(x^3 + 2*x^2*y + x*y^2 + y*x^2 + 2*x*y^2 + y^3
x^3 + 3*x^2*y + 3*x*y^2 + y^3

Answer 7

expand using binomial theorem

Answer 8

(x+y) (x+y) (x+y)

Answer 9

u probab would have studied this in 8 th grade

Answer 10

thanks @stupidinmath