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Solve px+ qy =r and qx= 1+r

 

Asked by Ss933633 25th June 2019, 7:36 PM
Answered by Expert
Answer:
begin mathsize 16px style We space have comma
px space plus space qy space equals space straight r space space.... space left parenthesis 1 right parenthesis
qx space equals space 1 space plus space straight r space space space space.... space left parenthesis 2 right parenthesis
From space left parenthesis 2 right parenthesis comma space we space get
straight x space equals space fraction numerator 1 space plus space straight r over denominator straight q end fraction
Put space the space value space of space straight x space in space left parenthesis 1 right parenthesis comma space we space get
straight p open parentheses fraction numerator 1 space plus space straight r over denominator straight q end fraction close parentheses space plus space qy space equals space straight r space space
rightwards double arrow straight p over straight q space plus space pr over straight q space plus space qy space equals space straight r
rightwards double arrow straight y space equals space 1 over straight q open parentheses straight r space minus space straight p over straight q space minus space pr over straight q close parentheses
space space space space space space space equals space 1 over straight q squared open square brackets straight r open parentheses straight q space minus space straight p close parentheses space minus space straight p close square brackets end style
Answered by Expert 26th June 2019, 10:29 AM
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