The number of real solution of the equation tan-1-x-2-3x-7-cos-1-4x-2-x-3- is -

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Intermediate Value Theorem

The number of...

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The number of real solution of the equation \operatorname{tan^{-1\sqrt{x^2-3x+7+\operatorname{cos^{-1\sqrt{4x^2-x+3=π is

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