Math, asked by purnimanath848, 3 months ago

add a + b - 1, b - a + 1, 1-2b

Answers

Answered by Anonymous

3

Step-by-step explanation:

$a + b - 1 + b - a + 1 + 1 - 2b \\ \\ = 2b - 1 + 2 - 2b \\ \\ \:\: \: = 1$

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