Book: RS Aggarwal - Mathematics
Chapter: 10. Quadratic Equations
Subject: Maths - Class 10th
Q. No. 3 of Exercise 10F
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Which of the following is not a quadratic equation?
A. 
This is a quadratic equation of the form 
hence i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).
B. 
using 
This is a quadratic equation of the form 
i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).
C. 
using 
This is not quadratic since it is not of the form 
i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).
D. 
using 
This is a quadratic equation of the form 
i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).
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