Question

Which of the following is not a quadratic equation?

A. x -3/x=4
B. 3x-5/x=x^2
C. x+1/x=3
D. x^2-3=4x^2-4x

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Answer 1

Answer:

D is not a quadratic equation

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Answer 2

Answer:

ans) the correc

t answer is option d

Explain =(x2+2x)2=x4+3+4x2

x4+4x2+4x3=x4+3+4x2

4x3-3=0

Which is not of the form of ax2+bx+c,a#0.thus the equation is not quadratic. this is a cubic equation.