Problem

Determine if the polynomial x42x2y2+y4 is a perfect square. If so, factor it.

Answer

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Answer

To confirm this, expand (x2y2)2 to get x42x2y2+y4, which matches the original polynomial.

Steps

Step 1 :First, recognize that the given polynomial has the form a22ab+b2, which is the square of a binomial.

Step 2 :In this case, a=x2 and b=y2. Therefore, the polynomial can be written as (x2y2)2.

Step 3 :To confirm this, expand (x2y2)2 to get x42x2y2+y4, which matches the original polynomial.

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