Question

Giải giúp hộ mình cần gấp

Answer 1

a/ \(\left(x+2\right)^2=x^2+4x+4\)

b/ \(\left(x-1\right)^2=x^2-2x+1\)

c/ \(\left(x^2+y^2\right)^2=x^4+2x^2y^2+y^4\)

d/ \(\left(x^3+2y^2\right)^2=x^6+4x^3y^2+4y^4\)

e/ \(\left(x^2-y^2\right)^2=x^4-2x^2y^2+y^4\)

f/ \(\left(x-y^2\right)^2=x^2-2xy^2+y^4\)