The real root of the equation 2^(6x) + 2^(3x+2) − 21 = 0 is — Quantitative Ability 2019

Question 467 Quantitative Ability 2019 Medium MCQ +3.00 marks · -1.00 negative

The real root of the equation 2^(6x) + 2^(3x+2) − 21 = 0 is

A. log₂(3)/3 B. log₂9 C. log₂(7)/3 D. log₂27

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