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Out of the following equations which one...

Out of the following equations which one is nota quadratic equation ?

A

`x^(2) + 4x= 11+x^(2)`

B

`x^(2) = 4x`

C

`5x^(2) = 90 `

D

`2x^(2) -x^(2) =x^(2) +5`

Text Solution

Verified by Experts

The correct Answer is:
A:B:C:D
`x^(2) + 4x = 11 + x^(2) :. 4x = 11`. This is not a quadratic equation.
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