If a_ n = _ / 4 ^ / 2 ^ n x d x then a_ 2 +a_ 4 , a_ 3 +a_ 5 , a_ 4 +a_ 6 are in
Mathematics · JEE Main · NTA Exams — Integral Calculus
If \(a_{n}=\int_{\pi / 4}^{\pi / 2} \cot ^{n} x d x\) then \(a_{2}+a_{4}, a_{3}+a_{5}, a_{4}+a_{6}\) are in
- G.P.
- A.P.
- H.P.
- None
Answer
(C) H.P.
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