if x= 1/2,y= -2/3and z = 1/4, verify that x×(y×z)=(x×y)×z
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LHS = x ×( y × z)
= 1/2× (-2/3 × 1/4)
= 1/2 × -2/12
= - 2/24
= -1/12
RHS = (x × y )× z
= ( 1/2 × -2/3 ) × 1/4
= - 2/6 × 1/4
= -2/24
= -1/12
hence LHS=RHS
x×(y×z)=(x×y)×z (proved)
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