Solve for x,using the properties of propotionality: 1+x+x²/1-x+x²=62(1+x)/63(1-x). Created by PratikPranjal. Math

63(1-x)...

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PratikPranjal @PratikPranjal

June 2022 2 23 Report

Solve for x,using the properties of propotionality: 1+x+x²/1-x+x²=62(1+x)/63(1-x)

rohitkumargupta

Verified answer

HELLO DEAR,

(1+x+x²)/(1-x+x²) = 62(1+x)/63(1-x)

⇒63(1-x)(1+x+x²) = 62(1+x)(1-x+x²)
⇒63[1+x+x²-x-x²-x³] =62 [ 1-x+x² +x-x²+x³]
⇒63[1-x³]= 62[1+x³]
⇒63-63x³ =62 +62x³
⇒63-62 =62x³+63x³
⇒1= 125 x³
125x³ =1
x³ =1/125

x³ =(1/5)³
∴x=1/5

I HOPE ITS HELP YOU DEAR,
THANKS

PratikPranjal thanks a lot bro...

rohitkumargupta its ok dear

PratikPranjal sorry to say bro,bt this method is not accepted by icse,can u solve it using the properties of proprtionality???

PratikPranjal can u?

rohitkumargupta but this is proportionality dear