Math, asked by ragmusic14, 9 months ago

evaculate =(99)to the power 2

Answers

Answered by Tiya8093722
2

Step-by-step explanation:

 {(99)}^{2}  \\ =   {(100 - 1)}^{2}  \\  =  {(100)}^{2}  - 2 \times 100 \times 1 +  {(1)}^{2}  \\  = 10000  - 200 + 1 \\  = 9801 \\ Using \: identity \\  {(a - b)}^{2}  =  {a}^{2}  - 2ab +  {b}^{2}  \\  \\ Hope \: it \: helps \: you....... \\ Please \: mark \: my \: answer \: as \:  \\ brainleist........

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