Question

if y=x^2 + x -1 the dy/dx at x=1 is equal to (urgent plz)​

Answer 1

Answer:

Step-by-step explanation:

$\frac{dy}{dx}= 2x +1\\\\now\; derivative \; at \;x=1 \; is\\\\(\frac{dy}{dx})_{x=1} = 2(1)+1\\ \\ =3$