Ask
your own question, for FREE!
Mathematics
31 Online
Given:-:-\[\alpha \beta \] are the roots of the equation \[x^2+px+q=0\] then the value of \[\left[ {\alpha \over \beta}+{\beta \over \alpha} \right]\] is equal to:-
Still Need Help?
Join the QuestionCove community and study together with friends!
You can rewrite what you have to find: \[= \frac{\alpha^2 + \beta ^2}{\alpha. \beta}\]
\[\frac{\alpha}{\beta}+\frac{\beta}{\alpha}=\frac{\alpha^2+\beta^2}{\alpha \beta}=\frac{(\alpha+\beta)^2-2 \alpha \beta}{\alpha \beta}\]
Oh! I got it thanx a lot @waterineyes & @mukushla
Welcome dear..
The only thing is we have to put the values of alpha & beta in the equation, isn't it???
Still Need Help?
Join the QuestionCove community and study together with friends!
yes thats right
Sum of roots : \[\alpha + \beta = -p\] Product of roots: \[\alpha. \beta = q\] Just plug in the formula that mukushla gave you..
k!
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Ferrari:
Hi, this is something I wrote last year as a freshman. "My first regular-length song, by Rari.
curriful:
small doodles, tell me what you think and if theres anything i can do better.
Breathless:
Finally- I finished! this one is really going to be my favorite
gelphielvr:
(algebra 1) not looking for the answer. Does anyone know if this question is aski
Yosad930:
okay another random question that even google itself isnt helping me with: why cant i zoom in and out anymore with the touchpad? yk how when you pinch your
AddieroniAndCheese:
Tips for studying for an AP exam in like a week? I barely know anything about chem T-T.
thereneelg:
Ok so. I need help. So for one of my songs in choir, The Power of Love. We have to hold one of the "Love"s for a long time.
3 hours ago
7 Replies
2 Medals
1 hour ago
12 Replies
1 Medal
1 hour ago
12 Replies
0 Medals
1 day ago
7 Replies
1 Medal
1 day ago
10 Replies
1 Medal
1 day ago
5 Replies
1 Medal
6 hours ago
14 Replies
2 Medals