if a=3,b= _2 ,c=_1, verify that b×c =c×b
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can't understand ur question sry
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we have,
a = 3, b = -2, c = -1
so, b×c = (-2)(-1) = 2
and c×b = (-1)(-2) = 2
hence,, b×c = c×b it's proved
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