Question

If alpha & Beta are zeroes of the quadratic polynomial x²-6x+a. find the value of a, If 3alpha + 2beta = 20​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

α+β = 6

now

3α+2β=20

α+2α+2β=20

α +2(α+β)=20

α+12=20

α=8

now substitute α

α+β=6

β=-2

and the a = constant term / coefficent of x² = α x β

=a = -16