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If `sinx`is an integrating factor of the differentialequation `(dy)/(dx)+P y=Q`, then write the value of `Pdot`A. `log sin x`B. `cot x`C. `sinx`D. `log cos x` |
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Answer» Correct Answer - B We have, I.F. = sin x `rArr" "e^(intPdx)=sinx` `rArr" "intPdx=logsinxrArrP=(d)/(dx)(logsinx)=cotx` |
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