Question

please answer my question​

Answer 1

Answer:

3)√117 5)8√3

Step-by-step explanation:

3)x²+1/x²+2=121

(x+1/x)²=121

x+1/x=11

5)after rationalaising you will get

(2+√3)²-(2-√3)²=4+3+4√3-4-3+4√3

8√3