Mathematics Quadratic Equations

যদি \(e^{\left(\cos ^2 x+\cos ^4 x+\cos ^6 x+\ldots \infty\right) \log _c 2}\) সমীকরণ t2 - 9t + 8 = 0 সিদ্ধ করে, তাহলে 2sin x/(sin x + √3cos x) 0 < x < π/2 এর মান হবে:

1
3/2
2
2√3
3
1/2
4
√3

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