Question

2a+1 find the square

Answer 1

Answer:

${(2a + 1)}^{2} = (2a) {}^{2} + {(1)}^{2} + 2(2a)(1) \\ 4a {}^{2} + 1 + 4a \\ 4a(a + 1) + 1$

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Answer 2

4a sq + 1 + 4a is the sqaure of 2a +1