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Question
Find the derivative of 2x4 + x.
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Solution
Let y = 2x4 + x
Differentiating both sides with respect to x, we get
`(dy)/(dx) = d/(dx) (2x^4) + d/(dx) (x)`
= `2 xx 4x^(4 - 1) + 1x^0`
= `8x^3 + 1`
Therefore, `d/(dx) (2x^4 + x) = 8x^3 + 1`.
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