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फलन f(x) = int (2- ( 1)/( 1+ x^(2)) - (...

फलन `f(x) = int (2- ( 1)/( 1+ x^(2)) - ( 1)/( sqrt( 1+ x^(2))) ) dx ` है, तो f

A

(i) `(0,oo)` में वर्धमान तथा `( - oo, 0)` में ह्रासमान है

B

(ii) `(-oo, 0 ) ` में वर्धमान तथा `( 0, oo)` में ह्रासमान है

C

(iii) `( - oo, oo)` में वर्धमान है

D

(iv) `(-oo,oo)` में ह्रासमान है

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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