Question

6. In figure if PA and PB are tangents to the circle with centre O such that ZAPB = 50, then 20AB is equal to​

Answer 1

Answer:

It is given that the roots are −2,1,3

Hence the equation is

(x+2)(x−1)(x−3)=0

(x

2

+x−2)(x−3)=0

x

3

+x

2

−2x−3x

2

−3x+6=0

x

3

−2x

2

−5x+6=0

This is the required cubic equation.

Step-by-step explanation:

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