Question

slope of tangent to curve y=3x4-4x at x =4​

Answer 1

Step-by-step explanation:

The given curve is y=3x

4

−4x.

Thus, the slope of the tangent to the given curve at x=4 is given by,

[

dx

dy

]

x=4

=[12x

3

−4]

x=4

=12(4)

3

−4=12(64)−4=764