Find the quadratic polynomial whose sum and products of the zeros are 5 and -6
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Given :
Given, the sum and product of zeroes of a polynomial are 5 and -6.
To find :
We have to find the polynomial with sum and product of its zeroes as 5 and -6 respectively.
Solution :
According to the question :
- Product of zeroes = αβ = -6
- Sum of zeroes = α+β = 5
We know that :
- Polynomial = x² - (Sum of zeroes)x + (Product of zeroes)
Substituting the given values :
- Polynomial = x² - (5)x + (-6)
- Polynomial = x² - 5x - 6
Therefore, the polynomial whose sum and product of zeroes are 5 and -6 respectively is x² - 5x - 6.
Know more :
- Product of zeroes (αβ) = c/a
- Sum of zeroes (α+β) = -b/a
- Product of zeroes (αβγ) = -d/a
- Sum of zeroes (α+β+γ) = -b/a
- Sum of zeroes (αβ+βγ+γα) = c/a
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