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Find a quadratic polynomial, the sum and product of whose zeroes are 6 and 9 respectively hence find the zeros?
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Find a quadratic polynomial, the sum and product of whose zeroes are 6...
Quadratic Polynomial with Sum and Product of Zeroes
- Let's assume the quadratic polynomial as ax^2 + bx + c.
- According to the given conditions, the sum of the zeroes is 6 and the product of the zeroes is 9.
- By Vieta's formulas, the sum of the zeroes is -b/a and the product of the zeroes is c/a.

Finding the Quadratic Polynomial
- We know that the sum of the zeroes is 6 and the product of the zeroes is 9.
- So, we can write two equations based on the given conditions:
1. -b/a = 6
2. c/a = 9
- From the first equation, we get: b = -6a
- Substituting this value of b in the quadratic polynomial, we get: ax^2 - 6ax + c
- Now, from the second equation, we get: c = 9a
- Substituting this value of c in the quadratic polynomial, we get: ax^2 - 6ax + 9a
- Factoring out 'a', we get: a(x^2 - 6x + 9)
- Further simplifying, we get: a(x - 3)^2

Finding the Zeroes
- Setting the quadratic polynomial to zero, we get: a(x - 3)^2 = 0
- This implies that the zeroes are x = 3.

Conclusion
- Therefore, the quadratic polynomial with sum and product of zeroes as 6 and 9 respectively is a(x - 3)^2, and the zeroes are 3.
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Find a quadratic polynomial, the sum and product of whose zeroes are 6 and 9 respectively hence find the zeros?
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