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  • If \Delta is an operation such that for integers a and b we have a \Delta b = a × b – 2 × a × b + b × b (–a) × b + b × b then find (i) 4 \Delta ( – 3) (ii) ( – 7) \Delta ( – 1) Also show that 4 \Delta ( – 3) \neq (– 3) \Delta 4

If \Delta is an operation such that for integers a and b we have
a \Delta b = a × b – 2 × a × b + b × b (–a) × b + b × b
then find (i) 4 \Delta ( – 3)
(ii) ( – 7) \Delta  ( – 1)
Also show that 4 \Delta ( – 3) \neq (– 3) \Delta 4
and ( – 7) \Delta ( – 1) \neq ( – 1) \Delta (– 7)

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