Which of the following is a quadratic equation? | Filo
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Quadratic Equations

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Which of the following is a quadratic equation?

Correct Answer: Option(d)
Solution: The first option is not a quadratic equation, since the degree of is .
Considering second option, we get 


.... a linear equation is one variable.
is not a quadratic equation since the degree is .

Considering the last option


..... Hence a quadratic equation.
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