JEE MATHEMATICS MCQ: QUADRATIC EQUATIONS

1 Easy

1 of 1

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a

and

b

are two different positive real numbers then which of the following statement is true?

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Correct option: B

2\sqrt {ab} < a + b

Option B (

2\sqrt {ab} < a + b

) is correct because the Arithmetic Mean is always greater than or equal to the Geometric Mean for distinct positive numbers.

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{x^2} - px + q = 0

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

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a

f\left( x \right) = a{x^2} + bx + c\;

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