If x8 - 1442x4 + 1 = 0, then a possible value of 
is ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 ie 6.
x8 + 1 = 1442x4
dividing by x4
= 6
SSC CGL 2019 PYQ — Question 7
SSC CGL Tier II Quant - 11/09/2019 • Quantitative Aptitude • Q7