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Question

Find the derivative by first principle in examples of :
3x2+4(2)xx

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Solution

Given,

ddx(3x2+4(2)xx)

=ddx(3x2)+ddx(42xx)

=6x+8(ddx(x)x+ddx(x)x)

=6x+8(1x+12xx)

=6x+8(1x+x2)

=6x+12x

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