If both the zeros of the quadratic polynomial ax^2 + bx + c are equal and opposite in sign, then find the value of b.
If both the zeros of the quadratic polynomial ax2 + bx + c are equal and opposite in sign, then find the value of b.
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Let α and –α be the roots of given polynomial.
Then α + (– α) = 0 ⇒ −b/a = 0 ⇒ b = 0.
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