Question

8. Which of the following is equal to x? 125 (A) x 7 - x7 (B) 14 (24) 127 (D) x 7.x12

11th - 12th Class

Maths

Solution

184

4.0 (1 ratings)

8) (A) ( x^{frac{12}{7}-x^{5 / 7}} ) ( =x^{5 / 7}(x-1) eq x ) (3) ( left(x^{4 / 3}right)^{frac{1}{12}} Rightarrow x^{frac{4}{3}(2}=x^{1 / 9} eq x ) (i) ( ln left(x^{frac{3}{2}}right)^{frac{2}{3}}=frac{x}{x^{frac{1}{7}} cdot x^{frac{7}{12}}}=x^{frac{12}{7}+frac{7}{2}}=x^{frac{193}{84}} eq x )