A right cylinder has the radius of 3.5cm and the height of 11cm if i place 3 ice cube with edge length of 2cm in the glass what
1 answer:
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Answer:
The value at x =3 is undefined for the given expression
Step-by-step explanation:
Given expression is
To find for what value of x is undefined in the given expression :
If we put x=3 in the above expression we get
Therefore
The value at x =3 is undefined for the given expression
Multiply both the numerator and denominator by , which is called the "conjugate" of
:
Why do we pick this number? Recall the difference of squares factorization:
Now replace and
. Then
So in your fraction, you end up with
Finally, just expand the product.