Math, asked by farahbadermanhas, 4 months ago

(5√5_2√2)(5√5+2√2)
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Answers

Answered by guptaamitx
1

Answer:

17

Step-by-step explanation:

(5 -  \sqrt{5}  - 2 \sqrt{2} )(5 \sqrt{5} + 2 \sqrt{2)}

[using identity (a+b)(a-b)= a²-b²]

 =  {(5)}^{2}  -  {( 2\sqrt{2}) }^{2}

 = 25 - 4(2)

 = 25 - 8

= 17

Hope It Helps

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