Question

Folosind formulele de calcul prescurtat calculati:
(x+4)la a 2
(x+2)la a 2
(2x-3)la a 2
(x+radical2)la a 2

Answer 1

a)$(x+4)^2=x^2+8x+16$
b)$(x+2)^2=x^2+4x+4$
c)$(2x-3)^2=4x^2-12x+9$
d)$(x+ \sqrt{2})^2=x^2+2 \sqrt{2}x+2$