JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

\frac{a^{n+1}+b^{n+1}}{a^{n}+b^{n}}

is the harmonic mean between

a

and

b

, then the value of

n

View answer and explanation

Correct option: B

-1

Option B (-1) is correct because substituting the harmonic mean formula and simplifying leads to n = -1.

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