Multiple Choice Questions

If x2 3x 1 0 then what is the value of x2 1 x2 ........

Quantitative Aptitude and Numerical Ability (DRDO) (Phase-i and II) Algebra

If x²-3x + 1= 0 then what is the value of (x²+ 1/x²)

x²-3x + 1= 0
or x²+ 1= 3x
or x+1/x= 3
on squaring both sides
(x+1/x)²=9
(x²+ 1/x²)=9-2=7

Submit Error

Want Exam specific Multiple Choice Questions on Algebra Choose below

Please Wait..

Please wait..