Question

if a = 1 -√3 , find the value of (a-1/a)4​

Answer 1

Answer:

-2(√3+3)

Step-by-step explanation:

{(1-√3-1)/1-√3}4

4√3/(1-√3) * (1+√3)/(1+√3)

4√3+12/(1-3)

-2√3-6

-2(√3+3)