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Which of the following must be true ?
a) A linear equation in one variable always gives a unique value of x.
b) A quadratic equation in one variable always gives two unique value of x.
c) (Even)^n is always even, where n is an integer.
d) (Odd)^n can never be even, where n is an integer.
e) |x| is always positive
a) A linear equation in one variable always gives a unique value of x.
b) A quadratic equation in one variable always gives two unique value of x.
c) (Even)^n is always even, where n is an integer.
d) (Odd)^n can never be even, where n is an integer.
e) |x| is always positive
