Which of the following expression is a perfect square trinomial?
A.x ²+ 4xy+y
B.36a²-12a+1
C.25a²+10ab+4b²
D.4x²y²-8xy+1
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Which of the following expression is a perfect square trinomial?
A.x ²+ 4xy+y
B.36a²-12a+1
C.25a²+10ab+4b²
D.4x²y²-8xy+1
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Answer:
Step-by-step explanation:
B.