Question

If Δ is an operation on integers such that a Δ b = a+b-1 , for all integers a,b , then find the value of :–
a) -6 Δ 5
b) 6 Δ -5

PLEASE SOLVE THIS

SHOW FULL SOLUTION.......​

Answer 1

(a) -6/\5

5As a /\ b = a+b-1

-6 /\ 5 = -6+5-1 = -7+5 = -2

(b) 6 /\ - 5

= 6 + (-5) - 1

= 6 - 5 - 1

= 6 - 6

= 0

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