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निम्नलिखित फलनों का x के सापेक्ष समाकलन ...

निम्नलिखित फलनों का x के सापेक्ष समाकलन कीजिए:
(i) `sin mx` (ii) `2x sin (x^(2)+1)`
(iii) `(tan^(4) sqrt(x) sec^(2) sqrt(x))/sqrt(x)` (iv) `(sin (tan^(-1) x))/(1+x^(2))`

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