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प्रश्न
Integrating factor of linear differential equation `x (dy)/(dx) + 2y =x^2 log x` is ____________
पर्याय
`1/x^2`
`1/x`
`x`
`x^2`
MCQ
उत्तर
`x^2`
`(dy)/(dx) + (2y)/x = xlog x`
`P = 2/x`
`I.F = e^(int2/x dx) = e^(2log x) = x^2`
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