JEE MATHEMATICS MCQ: QUADRATIC EQUATIONS

1 Easy

1 of 1

Application +4 | -1

Let

x

be an integer and

x^2+x+1

is divisible by 3. When

x

is divided by 3 , it leaves remainder

View answer and explanation

Correct option: B

Option B (1) is correct because when x is divided by 3, the remainder must be 1 for x² + x + 1 to be divisible by 3.

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{x^2} - px + q = 0

{\alpha _1},{\beta _1}

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{x^2} + 4ax + 2 > 0

x

a

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