Question

Calcule os quadrados: a)(x+y)2 b)(a+5)2 c)(x+1)2 d)3x+y)2 e)2x+3y)2 f)(3a+2)2 g)(5a2+1)2 h)(4a+y3)2 i)(1/2x+3)2 j)(3/4x+2/5y)2

Answer 1

A) (x+y)²
x²+2xy+y²

B)(a+5)
a²+10a+25

C)(x+1)²
x²+2x+1

D)(3x+y)²
9x²+6xy+y²

E)(2x+3y)²
4x²+12xy+9y²

F)(3a+2)²
9a²+12a+4

G) Pode verificar novamente o item?

H(4a+3y)²
16a²+24ay+9y²

I)(1/2x+3)²
1/4x²+3x+9

J)(3/4x+2/5y)²
9/16x²+12/20xy+4/25y²