Question

The heights of 9 basketball players in Indian team in centimeters is: 181, 183,193, 185, 201, 208,181, 188, 210 . Based on this answer the following:
(1 Point)
Find the mean height:

190

191.2

192.2

193.2​

Answer 1

Answer:

Let zeros of cubic polynomial are α,β and γ. Then

α+β+γ=0

αβ+βγ+αγ=−7

αβγ=−6

Now, the required polynomial is

x

3

−(α+β+γ)x

2

+(αβ+βγ+αγ)x−(αβγ)

Therefore, the required polynomial is x

3

−(0)x

2

+(−7)x−(−6) i.e x

3

−7x+6

d