Q. If a and b are the roots of the equation Px2 – Qx + R = 0, then what is the value of (1/a2) + (1/b2) + (a/b) + (b/a)?
A) Q2-2PRR+PPR2
B) Q2-2P2R+PPR2
C) Q2-2PR2R+2PP2R2
D) Q2-2R2P+RP2R2
✔ Correct Answer: Q2-2PRR+PPR2
Exam Insight
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A) Q2-2PRR+PPR2
B) Q2-2P2R+PPR2
C) Q2-2PR2R+2PP2R2
D) Q2-2R2P+RP2R2
✔ Correct Answer: Q2-2PRR+PPR2
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