Question:

If $ f(x) =\begin{cases}\frac{(72)^x - 9^x -8^x+1}{\sqrt2-\sqrt{1+cosx}} &; x ≠0\\a\,log2\,log3 &  ; x=0\end{cases} $ is continuous at x = 0. Then $a^2$ equals to

Updated On: Apr 5, 2024
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The Correct Option is A

Solution and Explanation

The Correct answer is option(A) : 1152
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