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Find the zeroes of the quadratic polynomial x2 − 3x − 10 and verify the relationship between the zeroes and coefficient. |
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Answer» x2 -3x-10 = 0 x2 -5x + 2x-10 = 0 x(x-5) + 2(x-5)=0 (x-5) (x+2)=0 X = 5, -2 Sum of the roots = -b/a = 3/1 which is same as 5 - 2 = 3 product of the roots = c/a = -10 which is same as 5x(-2) = -10 Hence verified |
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