Work out (5 - square root of 2) (2 + 5 square root of 2) all divided by square root of 8 I got 11.5 is this correct?
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Can you use FOIL to expand the numerator?
e^(i*pi) I think you miss read my question, sorry I wish I could write in that special language. The second bracket is (2 + 5 square root of 2)
Originally Posted by Natasha1 Work out (5 - square root of 2) (2 + 5 square root of 2) all divided by square root of 8 I got 11.5 is this correct? Yes.
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