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Question

Check whether the following is quadratic equation.
x34x2x+1=(x2)3

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Solution

x34x2x+1=(x2)3...(A)
for a equation to be quadratic it is
similar to
ax2+bx+c=0...(1)
where a,b,c are integers
Now, from eq. (A)
x34x2x+1=(x2)3
x34x2x+1=x386x+12x2
16x25x9=0...(2)
On comparing eq (2) & (1)
we observe that eq (1) & (2) are
similar
Hence eq (A) represent t a quadratic equation.

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