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Question
If a2x+2 = 1, where a is a positive real number other than 1, then x =?
Options
-2
-1
0
1
MCQ
Solution
-1
Explanation:
Given, a2x+2 = 1
⇒ a2x+2 = a0
⇒ 2x + 2 = 0
⇒ x = `(-2)/2 = -1`
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Simplification (Entrance Exam)
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