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Q3 of 109 Page 2

If α and β are the zeros of the quadratic polynomial, find the value of .

Let and β are the roots of the given eqn


Sum of the roots = = = = 4


Product of the roots = = = = 3


= 3() = ()3()


On substituting values from above, we get


⇒ 33× 4 = 108


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1

Find the zeros of each of the following quadratic polynomials and verify the relationship between the zeros and their coefficients:

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(ii)

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(iv)

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(vi)

(vii)

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2

If α and β are the zeros of the quadratic polynomial, find the value of

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Questions · 109
2. Polynomials
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