Question

Add a + b – 1, b – a + 1, 1 – 26​

(a) 1

(b) -1

(c) 2

(d) -2

Answer 1

Answer:

Answer:

(a) 1

Step-by-step explanation:

a + b - 1

b - a + 1

1 - 2b

Adding:

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

= (a - a) + (b + b - 2b) + ( -1 + 1 + 1)

= 1