If ∆ is an operation such that for integers a and b we have a ∆ b = a × b – 2 × a × b + b × b (–a) × b + b × b then find (i) 4 ∆ ( – 3) (ii) ( – 7) ∆ ( – 1)
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we should multiply it directly or seperately.
just mention full question yaar
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