The number of values of in the interval (- 2 , 2 ) satisfying the equation ( 3)^ ^2 = ^4 +2 ^2 is

JEE Main Mathematics question

Not in JEE Main syllabus

The number of values of in the interval satisfying the equation is

Answer: (D)

Put , so and the equation is . At : left , right — a root. For large the exponential overtakes the quadratic, and a second crossing occurs

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Question ID VK-008172