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in Mathematics by (54.8k points)

If f(x) = {((sin(a + 2)x + sinx)/x; x < 0), (b, x = 0), (((x + 3x2)1/3 - x1/3)/x4/3; x > 0) is continuous at x = 0, then a + 2b is equal to:

(1) –1 

(2) 1 

(3) –2 

(4) 0

2 Answers

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Answer is (4) 0

+1 vote
by (58.3k points)

Answer is (4) 0

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