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02-07-2017
Mathematics

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write this product in standard form ( 7 + 7i)( 6 + 7i)

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02-07-2017

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42+49i+42i+49^2 (i^2=-1)

49i^2+91i+42

-49+91i+42

It equal to -7+91i

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catzrcool catzrcool

02-07-2017

the correct answer is -7 + 91i

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