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CBSE Class 10 Answered

Solve px+ qy =r and qx= 1+r  
Asked by Ss933633 | 25 Jun, 2019, 07:36: PM
answered-by-expert 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 Yasmeen Khan | 26 Jun, 2019, 10:29: AM

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CBSE 10 - Maths
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Please solve. 
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