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A domain error occurs if x is negative and y is not an integral value for the function pow(double x, double y).

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A domain error occurs if x is negative and y is not an integral value for the function pow(double x, double y).

(a) true

(b) false

This question was posed to me during a job interview.

Enquiry is from Mathematical functions in division C Library of C

1 Answer

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The correct answer is (a) true

Explanation: The pow() function computes x raised to the power y. A domain error occurs if x is negative and y is not an integral value. A domain error occurs if the result cannot be represented when x is zero and y is less than or equal to zero. A range error may occur.

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