sir send how to see answer also i dont know how to see answer and where?and give answer fast sir plz
Asked by harshil92 | 19th May, 2010, 07:43: PM
6x3 - 7x2 - 8x + 5
Let's try x = -1 and we find -6 -7 +8 + 5 = 0, Hence (x + 1) is a factor.
Using synthetic division we find,
(6x3 - 7x2 - 8x + 5)/ (x + 1) = 6x2 - 13x + 5
and it's roots are, (13±(169 - 120))/12 = (13±7)/12 = 5/3, 1/2.
Hence the factors are, (x + 1)(x - 5/3)(x - 1/2)
Answered by | 19th May, 2010, 09:32: PM
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