Question

разложите на множители Срочно

Answer 1

$a) 100x^{10}-81y^4=(10x^5)^2-(9y^2)^2=(10x^5-9y^2)(10x^5+9y^2)\ b) 1-0.01y^{2n}=1- (frac{y^n}{10} )^2=(1-frac{y^n}{10})(1+frac{y^n}{10})\ c) c^2d+cd^2+c^3+d^3=c^2(d+c)+d^2(c+d)=(c^2+d^2)(c+d)$