18. If y=5x² - 2x+3 then d’y/dx? is
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Answer:
Correct option is
D
5
x
(x
5
log5+5x
4
)
y=5
x
x
5
On differentiating w.r.t. x, we get
dx
dy
=5
x
log5⋅x
5
+5
x
5x
4
=5
x
(x
5
log5+5x
4
)
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