Question

Given, a^2 = 11+2√30 & x^3+ x^-3= 42√6

Then explain the given equation:

1. a=?
2. Prove, a^5+ a^-5 = 922√6
3. Prove, x=a.
4. prove, x^4+x^-4= 482​

Answer 1

Answer:

I don't know the answer sorry bro really very sorry