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  • Check whether the following are quadratic equations : (vi) x ^2 + 3x + 1= (x - 2)^2

Q1.    Check whether the following are quadratic equations :

                (vi)    x^2 +3x +1 = (x-2)^2

Answers (1)

best_answer

L.H.S. x^2+3x+1 

and R.H.S (x-2)^2 can be written as:

= x^2-4x+4

\Rightarrow x^2+3x+1 = x^2- 4x+4

i.e., 7x-3 = 0

This equation is NOT of type: ax^2+bx+c = 0 , a\neq0.

Here a=0, hence, the given equation is not a quadratic equation.

Posted by

Divya Prakash Singh

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