If x = {\sqrt{5} + 1}/{\sqrt{5}−1} and y = {\sqrt{5}−1}/{\sqrt{5} + 1}, then find the value of x 2 + y 2 – 4.

RRB NTPC CBT I 16 Jan 2021 Shift 1 Paper

Question : 54 of 100

Marks: +1, -0

If x =

\;{{√{5}}\;+\;1}/{{√{5}}−1}

and y =

\;{{√{5}}−1}/{{√{5}} + 1}

, then find the value of x² + y² – 4.

Go to Question:

Prev Question

Next Question