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evaluate lim t fty a b a b where a b 1
Question:
Evaluate
limₙtₒᵢₙfty(aⁿ+bⁿ)/(aⁿ-bⁿ), where a>b>1
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For limits with powers, divide by the highest power.
BITSAT - 2020
BITSAT
Updated On:
Mar 19, 2026
\(-1\)
\(1\)
\(0\)
None of these
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The Correct Option is
B
Solution and Explanation
Dividing numerator and denominator by aⁿ: (1+(b/a)ⁿ)/(1-(b/a)ⁿ) Since 0<(b)/(a)<1, (b/a)ⁿ\to0 Limit =1.
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