Find the quadratic polynomial whose product and sum of zeros are (-13)/5 and 3/5, respectively.
Here, 3/5 is POSITIVE.
Please could you write it fast? Please.
Answers
Answered by
20
GiveN :
- Sum of zeros = 3/5
- Product of zeros = -13/5
To Find :
- Quadratic Equation
Solution :
let the zeroes be α and β ,
⇒ α + β = 3/5
⇒α × β = -13/5
We know that the general form of quadratic equation is :
➠ x² - (sum of zeros)x + Product
⇒x² - (α + β)x + α*β
⇒x² - (3/5)x + (-13/5)
⇒x² - 3/5x - 13/5
⇒(5x² - 5x - 13)/5
Now, we can remove 5 from denominator
Equation is 5x² - 5x - 13
_______________________________
General Equation : ax² + bx + c
⇒ Sum of zeros = -b/a
⇒ Product of zeros = c/a
• Quadratic Formula :
x = -b± √(b² - 4ac) / 2a
RvChaudharY50:
Awesome.
Answered by
38
The product of zeroes =
The sum of the zeroes =
The quadratic polynomial whose product of zeroes = and sum of the zeroes = .
we can consider as required quadratic polynomial because it will also satisfy the given conditions.
sum of zeroes =
Product of zeroes =
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