MCQ
Statement-1 (A): $\left[\left\{\left(\frac{1}{7^2}\right)^{-2}\right\}^{-1 / 3}\right]^{1 / 4}=7^{-1 / 3}$
Statement-2 (R): $\left(\left(a^m\right)^n\right)^s=a^{m n s}, a>0$
  • Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1.
  • B
    Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1.
  • C
    Statement-1 is true, Statement-2 is false.
  • D
    Statement-1 is false, Statement-2 is true.

Answer

Correct option: A.
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1.
A

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