Question

 The sum and product of the zeroes of quadratic polynomial are -1 and -12 respectively. The quadratic polynomial is

k(x²+x-12)

k(x²-x-12)

k(x²-12x+1)

k(x²-12x-1)

20.

3 points

How many terms of the AP   6 , 9 , 12 ,....... make the sum 627.

18

20

19

30

​

Answer 1

Answer:

k [x^2 + x - 12]  

Step-by-step explanation:

1. Sum of zeroes = -1

Product of zeroes = -12

Equation = k [x^2 - (alpha +beta)x + (alpha * beta)]

               = k [x^2 + x - 12]  

       

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