If P=7+4√3 and PQ=1, then what is the value of (1/P 2)+(1/Q 2)? P

If P=7+4√3 and PQ=1, then what is the value of (1/P 2)+(1/Q 2)? P
| If P=7+4√3 and PQ=1, then what is the value of (1/P2)+(1/Q2)?

A. 148

B. 189

C. 194

D. 204

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

P=7+4√3
PQ=1, P = 1/Q
Then Q=
P + Q = 7+4√3 + = 14
P + 1/P = 14
= (14)2 - 2

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