UPSC CDS I 2024 Math Paper

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Question : 58 of 100
 
Marks: +1, -0
If P2 varies as R and Q2 varies as R, (P ≠ Q), then which of the following are correct?
1. P2 + Q2 varies as R.
2. PQ varies as R.
3. P2 - Q2 varies as R.
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