Question

(a-2b)²
using identity​

Answer 1

Answer:

a²  - 4ab + 4b²

Step-by-step explanation:

(a-2b)²

= a²  - 2(a)(2b) + (2b)²

= a²  - 4ab + 4b²

Answer 2

Answer:

a²-4ab+4b²

Step-by-step explanation:

$({a - 2b})^{2} \\ = ({a})^{2} - 2 \times(a)\times(2b) + {(2b)}^{2} \\ = {a}^{2} - 4ab + 4 {b}^{2}$

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