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diff --git a/260/CH11/EX11.1/11_1.sce b/260/CH11/EX11.1/11_1.sce
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+++ b/260/CH11/EX11.1/11_1.sce
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+//Eg-11.1
+//pg-468
+
+
+clear
+clc
+
+//The time required to heat up the oil from 60 to 90 degrees centigrade is calculated by integrating the function f(T) from 60 to 90.
+//Where f(T) = (dT/dt), temperature gradient.
+
+T = [60;90];
+
+for(i = 1:2)
+    f(i) = 1/(40-0.3*T(i));
+end
+
+//Now the inegration using the formula I = ((T(2)-T(1))/2)*[f(1)+f(2)]
+
+I = ((T(2)-T(1))/2)*(f(1)+f(2)); // Trapezoidal rule
+
+printf('The value of the integral using the formula is  %f\n\n',I)
+printf(' The exact value of the integral is 1.75(obtained analytically)\n')
+printf(' Note that since the function is nonlinear, the value of the integral is approximate.') 
+\ No newline at end of file