If ? is an operation such that for integers a and b we have a?b=aXb - 2XaXb + bXb(-a)Xb + bXb then find (i) 4?(-3) & (-3)?4 (ii) (-7)?(-1) & (-1)?(-7) are they equal ""If needed then upload picture""
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Ur question is not proper
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Plz edit that u've juz used ? sign
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