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The number of real solution x of the equation `cos^(2)(x sin (2x))+(1)/(1+x^(2))=cos^(2)x+sec^(2)x` is |
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Answer» Correct Answer - B `cos^(2)(x sin 2x)+(1)/(1+x^(2))=cos^(2)x+sec^(2)x` `LHS le2" "RHS ge2` LHS=RHS=2 `+. X=0` only solution |
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