Math, asked by mohitmanghani2004, 1 year ago

If alpha, beta and gamma are the zeros of 2x3-4x2+5x+6 then find the values of (i) alpha + beta + gamma (ii) alpha beta + beta gamma + gamma alpha (iii) aplha *beta*gamma

Answers

Answered by reemaanver999
26

Hope this helps..... Plz mark as brainliest......!

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reemaanver999: Plz mark as brainliest.!
Answered by Divyaalia
9

hey \: mate \: here \: is \: your \: answer...
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2 {x}^{3}  - 4 {x}^{2}  + 5x + 6

 \: (i) \:  \:  \:  \:  \alpha  +  \beta +   \gamma  =  \frac{ - b}{a}
 \:  \:  \:  \:  \:  \:   \:   \:   \: \:  \:  \:  \: \:  \: \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \: \:  =  \frac{ - ( - 4)}{2}
 \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{4}{2}
 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 2


(ii) \:  \:  \:  \alpha  \beta  +  \beta  \gamma  +  \gamma  \alpha  =  \frac{c}{a}
 \:  \:  \:  \:  \:  \:  \:  \:   \:  \:    \:  \:  \: \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \ \:  \:  \:  \:  \:  \:  =  \frac{5}{2}


(iii) \:  \:  \:  \alpha  \beta  \gamma  =  \frac{ - d}{a}
 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  =  \frac{6}{2}
 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 3
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hope \: it \: helps......

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