1.

`(dy)/(dx)` ज्ञात कीजिए|`(3x^(2)-9x+5)^(9)`

Answer» माना `y=(3x^(2)-9x+5)^(9)`
`rArr" "(dy)/(dx)=(d)/(dx)(3x^(2)-9x+5)^(9)`
`" "=9(3x^(2)-9x+5)^(8)(d)/(dx)(3x^(2)-9x+5)`
`" "=9(3x^(2)-9x+5)^(8)(6x-9)`
`" "27(3x^(2)-9x+5)^(8)(2x-3)`


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