If _ 0 ^ / 2 d 9 ^ 2 +4 ^ 2 =k , then the value of k is :

Mathematics · JEE Main · NTA Exams — Integral Calculus

1. \(\frac{1}{16}\)
2. \(\frac{1}{12}\)
3. \(\frac{1}{8}\)
4. \(\frac{1}{3}\)

Answer

(B) 1 12

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