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27-06-2016
Mathematics

Answered

Write the sum or difference in the standard form a + bi. ( 7 + 5i) - ( -9 + i)

Verified Answer :

27-06-2016

(7 + 5i) - ( -9 + i)
= 7 + 5i - (-9) - (i)
= 7 + 5i + 9 - i
= 16 + 4i

= 4i + 16

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