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If alpha and beta are the zeros of polynomial 5x^2-6x+k such that alpha-beta=1/5
then find k...
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hi friend!!!!
Given,œ,ß are the zeros of the polynomial 5x²-6x+k
→œ+ß=-b/a=6/5 -----(1)
given œ-ß=1/5-----(2)
(1)+(2) gives,
2œ=7/5
œ=7/10
(1)-(2) gives,
2ß=5/5
ß=1/2
We know that ϧ= (7/10)(1/2)=7/20=c/a
→k/5=7/20
→k=7/4
I hope this will help u ;)
Given,œ,ß are the zeros of the polynomial 5x²-6x+k
→œ+ß=-b/a=6/5 -----(1)
given œ-ß=1/5-----(2)
(1)+(2) gives,
2œ=7/5
œ=7/10
(1)-(2) gives,
2ß=5/5
ß=1/2
We know that ϧ= (7/10)(1/2)=7/20=c/a
→k/5=7/20
→k=7/4
I hope this will help u ;)
MKhüshi:
Thank you so much
u r welcome :(
;)
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