If (p/q)-(q/p)=21/10, what is the value of(4p/q)+(4q/p)
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Answer:
58/5
- P/q-q/p =21/10
- p2-q2/pq=25-4/5×2
- p=5
- q=2
- 4×5/2+4×2/5
- 10+8/5
- 58/5
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