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Mathematics 8 Online
OpenStudy (eric_d):

Show that 1/(r+1)(r+2) - 1/r(r+1)= -2/r(r+1)(r+2)

OpenStudy (eric_d):

Using the method of differences, find|dw:1406451969590:dw|

OpenStudy (eric_d):

@ikram002p

OpenStudy (ikram002p):

wait , what question u need ?

OpenStudy (eric_d):

|dw:1406452186269:dw|

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