Simple math problem.. help please

[From: ] [author: ] [Date: 11-09-01] [Hit: ]

. i got 19i radical 2.... Is that correct?......

5radical -8 + 3radical -18.... i got 19i radical 2.... Is that correct?

= 5 sqrt(-2x4) + 3sqrt(-2x9)

= 10sqrt(2)i + 9sqrt(2)i

= 19sqrt(2) i

u r correct <<<<<

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