Question

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

Answer 1

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