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If ∆ is an operation on integers such that for integers a and b, a ∆ b = a − b − (− 5). Find the values of(i) (− 7) ∆ 3 (ii) (− 9) ∆ (− 4) (iii) 2 ∆ 5 (iv) 4 ∆ (− 5) |
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Answer» If ∆ is an operation on integers such that for integers a and b, a ∆ b = a − b − (− 5). Find the values of (i) (− 7) ∆ 3 (ii) (− 9) ∆ (− 4) (iii) 2 ∆ 5 (iv) 4 ∆ (− 5) |
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