9th Class Mathematics Sample Paper Mathematics Sample Paper-5

  • question_answer If\[{{7}^{1+x}}+{{7}^{1-x}}=50\], then find the value of x.

    A) \[\pm 3\] 

    B) \[\pm 1\]

    C) \[\pm 2\]

    D)   \[\pm 5\]

    E) None of these

    Correct Answer: B


adversite


You need to login to perform this action.
You will be redirected in 3 sec spinner