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JEE Advanced Mathematics question

MathematicsTrigonometric EquationsJEE Advanced

Not in JEE Main syllabus

If and then all solutions of are given by

Answer: (D)

Solution

Since , . For a base with , , forces (because with gives ). So

x-3 x+2=0⇒( x-1)( x-2)=0⇒ x=1\ ( x=2 impossible).

But $

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Question ID VK-108556