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Question
Which of the following are quadratic equation in x?
`sqrt(2)x^2 + 7x + 5sqrt(2) = 0`
Sum
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Solution
Clearly, `(sqrt(2)x^2 + 7x + 5sqrt(2))` is a quadratic polynomial.
∴ `sqrt(2)x^2 + 7x + 5sqrt(2) = 0` is a quadratic equation.
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Chapter 4: Quadratic Equations - EXERCISE 4A [Page 182]
