15 Which statement is true about the square of any real number?
a. It is always positive
b. It is always negative.
c.It has two values-one positive and the other negative
d. Its sign depends on whether the exponent is odd or even.
a. It is always positive
b. It is always negative.
c.It has two values-one positive and the other negative
d. Its sign depends on whether the exponent is odd or even.
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Answer:
The answer is option a.
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So, It is always positive
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