Question

find the square of 2A - 1 by a​

Answer 1

Answer:

2a- 1 by a equal to 2 - 1 equal to 1

Answer 2

Answer:

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