Question

Решите срочно пожалуйста:

Answer 1

$\sqrt{4-x^{2}}(y-x^{2})=0\\\\4-x^{2}=0\\\\x^{2}=4\\\\x_{1}=-2\\\\x_{2}=2\\\\y-x^{2}=0\\\\y=x^{2}\\\\y=4$