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Which of the following equations is a qu...

Which of the following equations is a quadratic?

A

`x^(3)-x^(2)-x +5=0`

B

`x^(4)-10`

C

`7x^(2)=49`

D

`x^(4)-x^(3)=9000`

Text Solution

Verified by Experts

The correct Answer is:
C
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