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1. Write any two quadratic equations. 2. Decide which of the following are quadratic equations. (1) \( x^{2}+5 x-2=0 \) (2) \( y^{2}=5 y-10 \) (3) \( y^{2}+\frac{1}{y}=2 \) (4) \( x+\frac{1}{x}=-2 \) (5) \( (m+2)(m-5)=0 \) (6) \( m^{3}+3 m^{2}-2=3 m^{3} \)
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1 Answer

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1. quadratic equations should be of format ax2+bx+c=0 in similar manner,

 3x2-2x+6=0  and 4x2+5x-10=0

2. 1) satisfies the general equation hence it is quadratic 

    2) satisfies

    3) doesn't satisfies

you can find other on your own basis

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