1.

If f(x)=⎧⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎩sin(a+2)x+sinxx,x<0b ,x=0(x+3x2)1/3−x1/3x4/3,x>0 is continuous at x=0, then the value of a+2b is

Answer»

If f(x)=⎧⎪
⎪
⎪
⎪
⎪
⎪
⎨⎪
⎪
⎪
⎪
⎪
⎪
⎩
sin(a+2)x+sinxx,x<0b ,x=0(x+3x2)1/3−x1/3x4/3,x>0
is continuous at x=0, then the value of a+2b is



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