Question

P(x)= x2+x-2 find the value of 1/ alfa- 1/beta

Answer 1

Answer:

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Step-by-step explanation:

x=1/2 or x=2

so let,

alfa= 1/2 and beta=2

thus,

1/alfa-1/beta= beta-alfa/alfa×beta

therefore, 2-1/2÷ 2×1/2

= -1.5