write the code that computes z= square root of y - x

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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write the code that computes z= square root of y - x

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Step 1

I have written the code in C++.

We need to use sqrt() defined in cmath library to compute the value of y-x.

 

if y is less than x, square root cannot be computed and hence we print the error.

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