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Total number of values of ' x ' satisfyi...

Total number of values of `' x '` satisfying the equation, `2^(cos^2x-1)=3. 2^(cos^2x)-4` and the inequality `x^2lt=30` is: 1 (b) 2 (c) 3 (d) 4

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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