Question 72

If $$x^{4} - 79x^{2} + 1 = 0$$, then a value of $$x + x^{-1}$$ can be:


Create a FREE account and get:

  • Free SSC Study Material - 18000 Questions
  • 230+ SSC previous papers with solutions PDF
  • 100+ SSC Online Tests for Free

cracku

Boost your Prep!

Download App