Which of the following is a quadratic equation
b) x²/³-4x+1=0
c) 3x²+1/x+1=0
a) x²+2x+1=0
d) √x+2x+2x²​

2 thoughts on “Which of the following is a quadratic equation<br />b) x²/³-4x+1=0<br />c) 3x²+1/x+1=0<br />a) x²+2x+1=0<br />d) √x+2x+2x²​”

1. Answer:

   option a is Quadratic equation

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2. Answer:

   x² +2x +1 is a quadratic equation

   Step-by-step explanation:

   hope it helps!!

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