Ex 7.4, 24 2 + 2 + 2 equals A. x tan 1 (x + 1) + C B. tan 1 (x + 1) + C C. (x + 1) tan 1 x + C D. tan 1 x + C 2 + 2 + 2 = 2 + 2 1 + 2 = 2 + 2 1 + 1 2 1 2 + 2 = + 1 2 1 2 + 2 = + 1 2 1 + 2 = + 1 2 + 1 2 = 1 1 1 + 1 1 + = 1 +1 + Option B is correct answer .

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.

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