Question

Out of the following equations which one is not a quadratic equation ?

(A) x² = 4x
(b) x² + 4x = 11 + x²​

Answer 1

Answer:

a) x2=4x

Step-by-step explanation:

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Answer 2

Answer:

$not \: both \: option \: are \: quadractic \: equation \\ because \\ (i) \: {x}^{2} = 4x \\ {x }^{2} - 4x = 0\\ (not \: a \: quadractic \: equation) \\ (ii) \: {x}^{2} + 4x = 11 + {x}^{2} \\ 4x = 11 \\ 4x - 11 = 0 \\ (not \: a \: quadractic \: equation)$