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Question Number 75918 by Master last updated on 21/Dec/19

Answered by Kunal12588 last updated on 21/Dec/19

ab=21 a+c=10 c−d=0 bd=4 ⇒ b=((21)/a) c=10−a d=10−a b=(4/(10−a)) ((21)/a)=(4/(10−a)) ⇒210−21a=4a ⇒a=((210)/(25))=((42)/5)=8.4 b=((21)/(8.4))=2.5 c=10−8.4=1.6 d=1.6

ab=21a+c=10c−d=0bd=4⇒b=21ac=10−ad=10−ab=410−a21a=410−a⇒210−21a=4a⇒a=21025=425=8.4b=218.4=2.5c=10−8.4=1.6d=1.6

Commented by Master last updated on 21/Dec/19

thanks

thanks

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