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//Ch25_Ex3
clc;
clear;
close;
volume=12.8; //Given
x=poly(3,"x");
40*x*5*x*x==12.8; //volume=l*b*h and l=40*x, h=5*x, b=x
//polynomial is 200*x^3-12.8=0;
//let s=x^3
s=12.8/200;
s=nthroot(s,3);
b=s*100; //converting meter into centimeter
printf("The breadth is: %d cm",b);
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