Question

Please answer this question​

Answer 1

Answer:

C) will be the correct answer

c) 2

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Answer 2

Answer:

2

Step-by-step explanation:

by squaring both sides

x^2= ($\sqrt{5}$+2)+($\sqrt{5}$-2)+2($\sqrt{\sqrt{5}-2 }$)($\sqrt{\sqrt{5}+2 }$)/$\sqrt{5}$+1       ( by (a+b)^2)

     = 2$\sqrt{5}$+ 2$\sqrt{\sqrt{5}+2\sqrt{5}-2 }$/$\sqrt{5}$+1                                ( a^2-b^2)

     = 2$\sqrt{5}$+2$\sqrt{5-4}$/$\sqrt{5}$+1

     = 2$\sqrt{5}$ + 2/ $\sqrt{5}$+1

     = 2($\sqrt{5}$+1)/($\sqrt{5}$+1)

     = 2