find the value of

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- August 29th 2010, 03:00 AMgrgrsanjayfind the value for this expression?
find the value of

- August 29th 2010, 05:56 AMOpalg
- August 29th 2010, 04:37 PMgrgrsanjayQuote:

Hello, grgrsanjay!

*Opalg*gave you an excellent game plan . . . Did you follow it?

Quote:

Rationalize the denominator . . . multiply top and bottom by the:*conjugate*

. .

. . . .

The sum becomes: .

. . . . . . . . . . . .

All terms cancel out . . . except the first and the last.

. . The sum is: .