Question

1)determine o quadrado
a)(3a+b)²
b)(2x+3y)²
c)(a+2b)²
d)(3a+5b)²
e)(4a+3b²
f)(3a/2+b/2)²

Answer 1

somente multiplicar os expoentes:

a)

$3 {a}^{2} + {b}^{2}$

b)

$2 {x}^{2} + 3 {y}^{2}$

c)

${a}^{2} + 2 {b}^{2}$

d)

$3 {a}^{2} + 5 {b}^{2}$

e)

$4 {a}^{2} + 3 {b}^{2}$

f)

$( \frac{3a}{2} )^{2} + ( \frac{b}{2})^{2}$