if P+1/Q=1,Q+1/R=1,then what is PQR
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Answer:
Step-by-step explanation:
The answer is (—1)
It can be found as follows
PQ+1=Q eq1
QR+1=R eq2
Multiplying eq1 by R
PQR+R=QR eq3
Substitute value of R from eq2 in eq 3
PQR+1+QR=QR
SO PQR=(—1)
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