Question

how to find (2x+3y)⁴.. Please help.

Answer 1

hey mate

here is the answer

Answer:

using binomial theorem,

(a+b)⁴=a⁴+4a³b+6a²b²+4ab³+b⁴

thus,

(2x+3y)⁴=(2x)⁴+4(2x)³(3y)+6(2x)²(3y)²+4(2x)(3y)³+(3y)⁴

(2x+3y)⁴=16x⁴+96x³y+216x²y²+216xy³+81y⁴