If a4 + 1 = [a2/b2] (4b2 – b4 – 1), then what is the value of a4 + b4?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1. (i.e. 2)



a2 = b2 = 1
∴ a4 + b4 = 2
SSC CGL Tier II Quant - 20/02/2018 • Quantitative Aptitude • Q18
If a4 + 1 = [a2/b2] (4b2 – b4 – 1), then what is the value of a4 + b4?
Correct answer: A
Explanation
The correct answer is option 1. (i.e. 2)



a2 = b2 = 1
∴ a4 + b4 = 2