Question

Разложите на множители:
1 - a^2*b^2
0.25*b^8*x^4 - c^2

Answer 1

$1-a^2b^2=(1-ab)(1+ab)\\ (0.25b^8x^4-c^2)=(0.5b^4x^2)^2-c^2=(0.5b^4x^2-c)(0.5b^4x^2+c)$