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Which of the following statements is true for the quadratic equation $ax^2 + x + a = 0$ ($a \neq 0$) ?
- (a)The roots of the given equation are reciprocal of each other.
- (b)The roots of the given equation are always real.
- (c)The roots of the given equation are always positive.
- (d)The sum of roots of the given equation is $0$.
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Ans. (A) The roots of the given equation are reciprocal of each other.