Question

If a- 1/ a = 7 , then what is the value of a^ 4 + 1 / a ^ 4



Option A . 2599
Option B . 2208
Option C . 2209
Option D . 2211

Please give a brief explanation of how to do it​

Answer 1

options are wong correct answer is 1297 on calculating value of a and putting in req equation

Answer 2

Answer:

1297 is a answer not from your options