Question

if 1,-2, a are roots of x³- 2x²-5x+6=0 then the value of a =​

Answer 1

Answer:

a=3

Step-by-step explanation:

Factor of x^3 - 2x^2 - 5x+6=0 are

(x-1)(x+2)(x-3)=0

So roots are x=1,-2,3

So value of a=3

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