i)Simplify : a² (b² -c² )+b2 (c² -a² )+c2 (a² -b² ) find it
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a2(b2-c2)+b2(c2-a2)+c2(a2-b2)
=a2b2 -a2c2 +b2c2 -a2b2 +a2c2 -b2c2
=0
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The answer will be 0 you can check it in the above picture
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