1.

Which of the following is not quadratic equation(a) (x + 2)3 = x(x2 - 1)(b) (x + 1)2 = 2(x - 3)(c) (x - 2) (x + 2) = 6(d) x2 +1/x2 = 2

Answer»

The following is not quadratic equation x2 +1/x2 = 2

Hyy...

Ur answer is option d ie.x²+1/x²=2 is not a quadratic equation


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