Math, asked by chandana19mc, 5 days ago

if a∆b =-a-b-ab find 2∆B, 1∆2

Answers

Answered by Panthernight

2

Answer:

9

Step-by-step explanation:

Now using the given definition of Δ we've,

7Δ(−4)

=7−(−4)−2

=7+4−2

=9.

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