Algebra

Quantitative Aptitude (CUET)

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If 2ⁿ⁺⁴ – 2ⁿ⁺² = 3, then n is equal to:

0

2

-1

-2

Explanation:

Given expression :
2ⁿ⁺⁴ − 2ⁿ⁺² = 3 ⇔ 2ⁿ⁺²(2²− 1) = 3 ⇔ 2ⁿ⁺² = 1 = 2⁰
[Bcz 2⁰?is equal to 1]
From the equation power :
⇔ n + 2 = 0 ⇔ n = − 2

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