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Mathematics 18 Online
MARC (marc_d):

A region is bounded by the curve y=5/x+2,the lines y=a and y=b. Find the volume of revolution when the region is rotated completely about the y-axis for which b) a=-3 and b=1

MARC (marc_d):

@ganeshie8

ganeshie8 (ganeshie8):

\[y = \dfrac{5}{x+2}\] like this ?

MARC (marc_d):

no,it should be\[y=\frac{ 5 }{ x }+2\]

MARC (marc_d):

that's the equation

ganeshie8 (ganeshie8):

Okay, lets start by sketching the curve

MARC (marc_d):

ok

ganeshie8 (ganeshie8):

|dw:1467617640735:dw|

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