Автор - JaikLong

Братва решите пожалуйста 1 2 3 задание​

Ответ

Автор - VlAdYsLaV15

Объяснение:

1

 frac{ {x}^{2}  - 2}{x +  sqrt{2} }  =  frac{(x -  sqrt{2} )(x +  sqrt{2} )}{x +  sqrt{2} } = x -  sqrt{2}

2

2 sqrt{75}  - 3 sqrt{27}  + 5 sqrt{300}  = 2 sqrt{ {5}^{2} times 3 }  - 3 sqrt{ {3}^{2} times 3 }   + 5 sqrt{ {10}^{2} times 3 }  = 10 sqrt{3}  - 9 sqrt{3}  + 50 sqrt{3}  = 51 sqrt{3}

3

a) : (2 sqrt{3}  -  sqrt{2})^{2}  =  4 times 3 - 2 = 12 - 2 = 10 \ b)2 sqrt{2} (6 sqrt{2}  - 4 sqrt{3})  +  sqrt{24}  = 12 times 2 - 8 sqrt{6}  +  2sqrt{6}  = 24 - 6 sqrt{6}  = 6(4 -  sqrt{6} )

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