Question

Resolva, 10 questões:

a) (x − y) 2 =

b) ( + 2) 2 =

c) (5 - 2 ) . (5 + 2 ) =

d) 3(4a – 2) + ( + 2) 2 =

e) (2 + 1) 2 + ( − 5) 2 =
f) x (x − 3) 2 - 2 (x − 1/2 ) 2 =


g) (x+2) 2
x2−4 =

h) [(x + 2). (x + 2)] − (x + 2) 2 =

i) [(x + 2). (x + 2)] + (x + 2) 2 =

j) (½ a + ⅓ b)2 =

k) ( π/2 − x) 2 =

l) ( ¾ a − ⅖ b) 2 =

m) ¼ x[(a + b) 2 + (a − b) 2 ] 2 =

n) 1 x [(x − y) 2 + 2xy] =

o) 2/7 + ⅗ =

PFVOR AGLUEÉM ME AJUDA

Answer 1

Resposta:

a) 2x—2y

b)4

c)21

d)12a — 2

e)—4