m3rk098 m3rk098

01-05-2018
Mathematics

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hey can you please help me posted picture of question

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11beehshahbaz 11beehshahbaz

01-05-2018

The correct answer is option B

(5 + 3i)(4+ 2i)

= 5(4+2i) + 3i(4+2i)

= 20 +10i + 12i +6i²

= 20 +22i +6(-1)

= 20 + 22i - 6

= 14 + 22i

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