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True or False. In some language you must use a library function to raise a number to a power.

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Final answer:

The statement is true; some programming languages require a library function to raise a number to a power, particularly for complex calculations.

Step-by-step explanation:

The statement is True. In some programming languages, raising a number to a power requires the use of a function from a library. While it is simple to write out small powers by hand, such as 4³ being equal to 4 x 4 x 4, for higher powers or non-integer exponents, the process is more complex and demands a more efficient method. Many languages provide a function, often found within a math library, to perform this operation more elegantly.

To undo a power, such as finding the square root in the equation a² = c² - b², one needs to apply the inverse operation. In this case, raising a number to the power of ½ or using a square root function (also typically available in a math library), will yield the original number a.

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