Math, asked by siddhiagnihotri090, 3 months ago

Add a+b-1,- b- a+ 1, 1 -2

(a) 1

(c)2

(b)-1

(d)-2

Answers

Answered by aspirbyed121

2

Step-by-step explanation:

$(a + b - 1) + ( - b - a + 1) + (1 - 2) \\ a + b - 1 - b - a + 1 + 1 - 2 \\ -1$

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