Math, asked by aniruth144, 2 months ago

express (1/3+3i)^2 in a+ib form​

Answers

Answered by abhishekbirana
1

Answer:

={(-80)/9} + 2i

Step-by-step explanation:

= (⅓+3i)²

=(⅓)² + (3i)² + 2×⅓×3i

=⅑ + 9i² + 2i

=⅑ + 9×(-1) + 2i

=⅑ - 9 + 2i

=(1-81)/9 + 2i

={(-80)/9} + 2i

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