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JEE Advanced Mathematics question

MathematicsBasic Mathematics and LogarithmJEE Advanced

Let , and , when , . Then

Answer: (A),(D)

Solution

, . With , , : , and . Adding and subtracting:

x=Missing argument for \frac\frac12=Missing argument for \frac\frac12=Missing argument for \frac\frac{22

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Question ID VK-108439