if alfa and beta are the zeros of the polynomial x2 - 5x + 4 find the value of 1/alfa + 1/beta - 2 alfa beta
shankypanky39:
Alpha is not spelled alfa
doofus
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we can find the zeros by spitting the middle term
x2-5x+4
x2-4x-x+4
x(x-4)-1(x-4)
(x-4)(x-1)
So,
alpha =4
Beta=1
1/alpha+1/beta-2alpha beta
1/4+1/1-(2*4*1)
5/4-8
-27/4
x2-5x+4
x2-4x-x+4
x(x-4)-1(x-4)
(x-4)(x-1)
So,
alpha =4
Beta=1
1/alpha+1/beta-2alpha beta
1/4+1/1-(2*4*1)
5/4-8
-27/4
pls mark me as brainlies
ur answer is wrong bro....
Stop stealing my thunder
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