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Question

In each case, state True if the trinomial is a perfect square else state False.
4x2+4x+1

A
True
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B
False
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Solution

The correct option is A True
4x2+4x+1=(2x)2+2×(2x)+1
Applying the formula a2+b2+2ab=(a+b)2
4x2+4x+1=(2x)2+2×(2x)+1=(2x+1)2
Hence, the given trinomial is a perfect square.

The answer is TRUE

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