Math, asked by princesingh03632, 9 months ago

express (5-3i)² in the form a+I b

Answers

Answered by jakbattu

0

Step-by-step explanation:

(5-3i)² = 5² - 2(5)(3i) + (3i)²

= 25 - 30i + 9i²

= 25 - 30i + 9(-1)

= 25 - 30i - 9

= 16 - 30i

it is in the form of a + ib

where a = 16 & b = -30

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