Let f(x)={x,x≤1x2+ax+b,x>1, If f(x) is differentiable at x=1, then
Let f(x) = ⎧⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪⎩a|x2−x−2|2+x−x2,x<2b,x=2x−[x]x−2,x>2 , where [.] denotes the greatest integer function.
If f(x) is continuous at x = 2, then