The values of a,b and c which make the function f(x)=⎧⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪⎩sin(a+1)x+sinxx,x<0c,x=0√x+bx2−√xx3/2,x>0continuous at x=0 are