if alpha beta are the zeros of the quadratic polynomial f x is equal to x square - 5 x + 4 find the value of one by Alpha Plus One by beta minus 2 alpha beta
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Answer:
Step-by-step explanation:alpha beta zeroes
F(x)=x^2-5x+4
Alpha + beta= -b/a= -(-5)/1=5
Alpha*beta=c/a=4/1=4
1/alpha+1/beta-2alpha*beta= (beta+alpha/alpha* beta) -2alpha* beta
=5/4-8
=(5-32)/4
= -27/4......
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sorry I forget my knowledge of maths I'll be back
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