initial commit / add all books

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diff --git a/149/CH24/EX24.5/ques5.sce b/149/CH24/EX24.5/ques5.sce
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+//ques 5

+disp(' To find the roots of f(x)=3x-cos(x)-1 by newtons method ');

+disp('f(0)=-ve and f(1) is +ve so a root lies between 0 and 1');

+l=0;

+m=1;

+function y=f(x)

+  y=3*x-cos(x)-1;

+endfunction

+x0=0.6;

+disp('let us take x0=0.6 as the root is closer to 1');

+disp("Root is given by r=x0-f(xn)/der(f(xn)) ");

+disp('approximated root in each steps are');

+for i=1:3

+  k=x0-f(x0)/derivative(f,x0);

+  disp(k);

+  x0=k;

+end