Question

please answer the 10th question with how to​

Answer 1

Answer: x = 2 + √3

              x³ + 1/x³ = (2 + √3)³ + 1/(2 + √3)³

                             = 8 + 3√3 + 1/(8+3√3)

                             = 11√3 + 1/11√3

                             = (363 + 1)/11√3

                             = 364/11√3

pls mark this answer as brainliest if you got your answer.

Answer 2

Answer:

16

Step-by-step explanation:

first put the fomula

then put the value to the formula

then solve it

you will definitely get the answer