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JEE Advanced Mathematics question

MathematicsBasic Mathematics and LogarithmJEE Advanced

If then has

Answer: (A),(B),(C)

Solution

. Take of both sides and write :

(Missing argument for \tfrac\tfrac + y - Missing argument for \tfrac\tfrac54)y = Missing argument for \sqrt\sqrt3 = Missing argument for \tfrac\tfrac12 ⇒ + - 5y - 2 = 0.

is a root (), so . Thus ,

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Question ID VK-108671