If the zeroes of the quadratic polynomial x^2 + (a + 1)x + b are 2 and -3, then... | MCQ 1m | Maths | SuperPadhai

Polynomials > Question

MCQ1 markYear: 2023EasyCBSE Class 10

polynomialszeroessum-product-relation

Question

If the zeroes of the quadratic polynomial

x^{2} + (a + 1) x + b

are

2

and

- 3

, then

Solution

1

Sum of zeroes

= 2 + (- 3) = - 1 = - (a + 1) \Rightarrow a + 1 = 1 \Rightarrow a = 0

. Product of zeroes

= 2 \times (- 3) = - 6 = b

.

+1 mark

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