Multiple Choice Questions

If P 7 4 radic 3 and PQ 1 then what is the value of 1 P2 1 Q2 ........

Quantitative Aptitude (CGL) Algebra

If P = 7 + 4√3 and PQ = 1, then what is the value of (1/P²) + (1/Q²)?

148

189

194

204

Q=1/p
then rationalize it,you will get a.
write (p^2+q^2)/(pq)^2
((7 + 4√3)^2 + 1/(7 + 4√3)^2)/1^2=194

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