Question

please anaserr this​

Answer 1

Step-by-step explanation:

option C

21+8√5/11

I think that this may help you.....

Answer 2

Answer:

Hope my answer helps you mate :-)

Step-by-step explanation:

$\frac{4 + \sqrt{5} }{4 - \sqrt{5} }$

$\frac{4 + \sqrt{5 } \times (4 + \sqrt{5} }{16 - 5}$

$\frac{16 + 5 + 8 \sqrt{5} }{11}$

$\frac{21 + 8 \sqrt{5} }{11}$

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