If the function f(x) satisfies limx→1f(x)−2x2−1=π,then limx→1f(x)=
Let f(x)={x+a,if x≥1ax2+1,if x<1 , then f(x) is differentiable at x = 1 if
If ax4+bx3+cx2+dx+e=∣∣ ∣∣x3+3xx−1x+3x+1−2xx−4x−3x+43x∣∣ ∣∣, then e =