Question

Calculați, aplicând formulele (a + b)*2= a*2±2ab + B²:​

Answer 1

a)x^2+x+(1/4)
b)x^2-(2x/3)+(1/9)
c)x^2+(x/2)+(1/16)
d)(x^2/4)+(2x/3)+(4/9)
e)(x^2/16)-(3x/4)+(9/4)
f)(x^2/25)+(2x/15)+(1/9)
^2=la puterea a 2a