Math, asked by paraswani8431, 1 year ago

solve this maths question pls in notebook

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Answers

Answered by Anonymous

3

★Heya★

( a + b )³ = a³ + b³ + 3ab ( a + b )

i³ = -i

And

i² = -1

=>

( 1/3 + 3i )³ = 1/27 - 27i + 3i ( 1/3 + 3i)

=>

1/27 - 27i + i -9

=>

-242/27 - 26i

paraswani8431: thnku

paraswani8431: got it

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