Consider the function f(x)=(3x2+1)x1​. Find the slope of the tangent line to the curve f(x) at x=1. The options are:
1. f′(x)=−8x2−6
2. f′(x)=8x2+6
3. f′(x)=−8x2+3
4. f′(x)=−4x2+23​
5. f′(x)=−8x2+6