If a curve y = asqrt(x)+bx passes throug...

If a curve `y = asqrt(x)+bx` passes through the point (1,2) and the area bounded by the curve, line x = 4 and X-axis is 8 sq units, then

A

a = 3, b = -1

B

a = 3, b = 1

C

a = -3, b = 1

D

a = -3, b = -1

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The correct Answer is:

A

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