Question: Write a user-defined function to calculate the square root of a number. Here's the function prototype: double squareRoot (double x) In the main program, your

Write a user-defined function to calculate the square root of a number. Here's the function prototype:

double squareRoot (double x)

In the main program, your program should ask the user to input a number and print out its square root. The program should print an error message if the user enters invalid data such as negative number or non-numeric values.

You are not allowed to use the built-in function sqrt().

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