Question

Вычислите:
1) 3sqrt81 - sqrt49 * 3sqrt24
2)sqrtx * 3sqrtx * (x^5)^1/6

Answer 1

$3\sqrt{81} -\sqrt{49} *3\sqrt{24}=3*9-7*3 \sqrt{4*6} =27-42\sqrt{6} \\ \\ \sqrt{x} *3\sqrt{x} *(x^5)^{\frac{1}{6} }=3x*x^{\frac{5}{6} }$