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"Which mathematical constant notation is used for square root?", mathematical constants Multiple Choice Questions (MCQ) with choices sqrt (2), sqr ( ), 1/sqrt ( ), and none of them for online software engineering degrees. Learn php math functions questions and answers with free online certification courses for online computer science schools.
Mathematical Constants Questions and Answers PDF Download eBook
MCQ: Which mathematical constant notation is used for square root?
- sqr ( )
- sqrt (2)
- 1/sqrt ( )
- None of them
B
MCQ: PHP is different from other languages because variables do not have to be
- Bounded
- Declared before being assigned
- Character type
- Integer type
B
MCQ: By using special wildcards for matching a string which function is used?
- Strtok
- Tokenizing
- Delimiter
- Regex
D
MCQ: For getting rid of an assigned variable in an array which function is used?
- delete_array ( )
- reset_array
- reset ( )
- unset ( )
D
MCQ: In Perl-compatible patterns any pattern that is followed by ? this means that
- Match this pattern 1 or more times
- Match this pattern exactly 1 time
- Match this pattern 0 times
- None of them
B