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What is the difference between the expressions (9*1-8) & (9-1*8)?

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What is the difference between the expressions (9*1-8) & (9-1*8)?

(a) Computational difference

(b) Final results are different

(c) No difference

(d) Cannot be determined

This question was addressed to me by my school teacher while I was bunking the class.

My question is from Variables and Assignments in division MATLAB Basics of MATLAB

1 Answer

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The correct answer is (a) Computational difference

For explanation: MATLAB follows a precedence of operators while doing any computation. So (9*1-8) is done like this: 9*1-8=9-8=9. But (9-1*8) is done like this: 9-1*8=9-8=1. Even though the answers are same, there is a computational difference between evaluation of the two expressions in MATLAB.

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