Question

Упростить (x^2+3)*(9+x^4+6x^2)^(-1/2)

Answer 1

$(x^{2} +3)*(9+x^{4}+6x^{2})^{-1/2} = \frac{x^{2}+3}{\sqrt{9+x^{4}+6x^{2}}} = \frac{x^{2}+3}{\sqrt{(3+x^{2})^{2}}} = \frac{x^{2}+3}{x^{2}+3} =1$