Solve for the roots in simplest form using the quadratic formula: 4x^2 -28x= -53
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Answer:
Step-by-step explanation:
It is true that for any given odd integer, square of that integer will also be odd.
i.e if is and odd integer then
is also odd.
In the given proof the expansion for is incorrect.
By definition we know,
∴
Now, we know and
will be even values
∴ will be odd
hence will be odd, which means
will be odd.