JEE MATHEMATICS MCQ: QUADRATIC EQUATIONS

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Application +4 | -1

If set

S=\left\{(\sqrt{3}+\sqrt{2})^{x^2-4}+(\sqrt{3}-\sqrt{2})^{x^2-4}=10\right\}

then

n(S)

equals:

View answer and explanation

Correct option: C

Option C (4) is correct because solving the equation leads to four distinct solutions for x.

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