Cheeck whether the following
are quadratic equations
(i) (x-2)²+1=2-3
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(i) (x-2)²+1=2-3
x²-2×x×2+2²+1=-1
x²-4x+4+1+1=0
x²-4x+6=0
the maximum degree of variable is 2.
therefore the given equation is quadratic equation.
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