Question

plz solve this..
thank u​

Answer 1

Answer:

(3)-0.5

Explanation:

Add and sub 1/4

So given becomes (x-1/2)^2

Now differentiate wrt x

dy/dx = 2(x-1/2)*1

When x=0.25=1/4

dy/dx=2*(-1/4)

=-0.5