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If alpha ,beta and gamma are the roots o...

If `alpha ,beta and gamma` are the roots of
`x^3-2x^2+3x-4 =0 `, then find
(i) `sumalpha^2beta^2 (ii)sumalpha beta(alpha+beta)`

Text Solution

Verified by Experts

The correct Answer is:
`alphabetagamma=4 `
(i) `=9-2.2.4=9 -16=-7`
(ii) `=2.3-3.4 =6 -12=-6`
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