Math, asked by Aditiiiiiiiiiii, 8 months ago

If a= 1/2 (5-√21) then value of a^3 + a^-3 - 5a^2 - 5a^-2 + a + a^-1

Please Give Full Solution

(a) 0 is Correct Answer​

Attachments:

Answers

Answered by navya8592
1

Answer:

pls mark as brainliest

Attachments:
Similar questions