
Concept explainers
(a)
The interpretation of

Answer to Problem 1P
Solution:
The program is stated as follows.
Explanation of Solution
The given expressions are,
Multiply the above expressions.
Write the MATLAB code to determine the interpretation of
MATLAB Code:
syms x
S1 = x.^2.*(4.*x.^2-8.*x-3)+3.*(8.*x-9)
S2 = (2.*x-3).^2+4.*x
a = simplify(S1.*S2)
Save the MATLAB script with the name, Chapter11_56830_11_1Pa.m in the current folder. Execute the script by typing the script name at the command window to get the code to determine the interpretation of
Result:
Conclusion:
Therefore, the required program is executed above.
(b)
The interpretation of

Answer to Problem 1P
Solution:
The program is stated as follows.
Explanation of Solution
The given expressions are,
Divide the above expressions.
Write the MATLAB code to determine the interpretation of
MATLAB Code:
syms x
S1 = x.^2.*(4.*x.^2-8.*x-3)+3.*(8.*x-9)
S2 = (2.*x-3).^2+4.*x
b = simplify(S1./S2)
Save the MATLAB script with the name, Chapter11_56830_11_1Pb.m in the current folder. Execute the script by typing the script name at the command window to get the code to determine the interpretation of
Result:
Conclusion:
Therefore, the required program is executed above.
(c)
The interpretation of

Answer to Problem 1P
Solution:
The program is stated as follows.
Explanation of Solution
The given expressions are,
Subtract the above expressions.
Write the MATLAB code to determine the interpretation of
MATLAB Code:
syms x
S1 = x.^2.*(4.*x.^2-8.*x-3)+3.*(8.*x-9)
S2 = (2.*x-3).^2+4.*x
b = simplify(S1-S2)
Save the MATLAB script with the name, Chapter11_56830_11_1Pc.m in the current folder. Execute the script by typing the script name at the command window to get the code to determine the interpretation of
Result:
Conclusion:
Therefore, the required program is executed above.
(d)
The numerical value of the result from part (c) for

Answer to Problem 1P
Solution:
The program is stated as follows.
Explanation of Solution
The given expressions are,
Subtract the above expressions.
Substitute
Write the MATLAB code to determine the numerical value of the result from part (c) for
MATLAB Code:
syms x
S1 = x.^2.*(4.*x.^2-8.*x-3)+3.*(8.*x-9)
S2 = (2.*x-3).^2+4.*x
c = simplify(S1-S2);
d = subs(c,7)
Save the MATLAB script with the name, Chapter11_56830_11_1Pd.m in the current folder. Execute the script by typing the script name at the command window to get the code to determine the numerical value of the result from part (c) for
Result:
Conclusion:
Therefore, the required program is executed above.
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Chapter 11 Solutions
Matlab
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