Grade 1010 grade maths
If alfa, beta are the zeroes of (x-l)(x-m)-n, prove that l,m are zeroes of (x-alpha)(x-beta)+n
If alfa, beta are the zeroes of (x-l)(x-m)-n, prove that l,m are zeroes of (x-alpha)(x-beta)+n
1 Answer
Arun
Approved Tutor Answer7 Years agoDear student
(x - alpha) (x - beta) = (x-l) (x-m) -n
Now
(x- alpha) (x- beta) +n = (x-l) (x-m)
Hence l and m are roots
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