Question

if a+1 by a=3, find the value of (a - 1 by a) ^2​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$a = 3 \\ a + 1 = 4 \\ {(a - 1)}^{2} \times 2 \\ {a}^{2} + 1 - 2a \\ {3}^{2} + 1 - 2 \times 3 = 9 + 1 - 6 \\ 10 - 6 = 4$

$10 - 6 = 4$

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