The total number of integral values of $a$ so that $x^{2} - (a + 1) x + a - 1 = 0$ has integral roots is equal to

1

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2

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4

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none of these

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Solution

The correct option is A $1$

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Similar questions

a

x^{2} - (a + 1) x + a - 1 = 0

^{'} a^{'}

x^{2} - x - a = 0

a ϵ N

6 \leq a \leq 100

a

x^{2} - x - a = 0

a \in N

6 \leq a \leq 100

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