Math, asked by atz16, 1 month ago

express(2-3i) ^2 in the form of a+ib​

Answers

Answered by vipinkumar212003
2

Answer:

 {(2 - 3i)}^{2}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  =  {(2)}^{2}  - 2 \times 2 \times 3i +  {(3i)}^{2}  \\  = 4 - 12i - 9  \:  \:  \:  \:  \:  \:  \:  \color{blue}{}[  {i}^{2} =  - 1  ] \\  =  - 5 - 12i \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  =  - (5 + 12i) \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \red{\mathfrak{ \large{\underline{{Hope \: It \: Helps \: You}}}}} \\ \blue{\mathfrak{ \large{\underline{{Mark \: Me \: Brainliest}}}}}

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