Q. 1 A4.3( 18 Votes )

Choose the correc A.

B. x (x + 5) = 2

C. n-1 = 2n

D.

Answer :

In option A hence , it is not a quadratic equation.


In Option B , it is a quadratic equation.


In Option C, it is not a quadratic equation.


In Option D , hence, it is not a quadratic equation.

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