• # question_answer $\sqrt{\mathbf{1}+\frac{x}{144}}=\frac{13}{12}$, then find the value of x A)  12                               B)  13             C)  25     D)  50

Solution :

(c): $\sqrt{1+\frac{x}{144}}=\frac{13}{12}$ $1+\frac{x}{144}=\frac{169}{12}$ Squaring, $\Rightarrow \frac{x}{144}=\frac{169}{144}$

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