allery36x2 + 12x + 1 is the square of:
A(6x + 1)
B(6x - 1)
C(3x + 1)
D(4x + 1)
Answer & Solution
Correct answer: A. (6x + 1)
1. The first term is the square of 6x.
2. The last term is the square of 1.
3. The middle term 12x is twice 6x times 1, so it is (6x + 1)2.
4. The answer is (6x + 1).
_Source: syllabus Mathematics, Ch 4 'Exploring Algebraic Identities'_
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