2. If a = 2/3 b = 3/4 c =5/7 verify the given property and name it also .a x (bx c) = (a x b) x About the author Rose
Hi , It is given that , a = 3/4 , b = -1/2 , c = -7/5 LHS = a × ( b × c ) = 3/4 × [ ( -1/2 ) × ( – 7/5 ) ] = 3/4 × ( 7/10 ) = ( 3 × 7 )/ ( 4 × 10 ) = 21/40 —-( 1 ) RHS = ( a × b ) × c = [ 3/4 × ( – 1/2 ) ] × ( – 7/5 ) = [ – 3/8 ] × ( – 7/5 ) = ( 3 × 7 ) / ( 8 × 5 ) = 21/40 —–( 2 ) From ( 1 ) and ( 2 ) , LHS = RHS a × ( b × c ) = ( a × b ) × c [ Associative proporty under multiplication ] I hope this helps you. : ) Reply
Hi ,
It is given that ,
a = 3/4 , b = -1/2 , c = -7/5
LHS = a × ( b × c )
= 3/4 × [ ( -1/2 ) × ( – 7/5 ) ]
= 3/4 × ( 7/10 )
= ( 3 × 7 )/ ( 4 × 10 )
= 21/40 —-( 1 )
RHS = ( a × b ) × c
= [ 3/4 × ( – 1/2 ) ] × ( – 7/5 )
= [ – 3/8 ] × ( – 7/5 )
= ( 3 × 7 ) / ( 8 × 5 )
= 21/40 —–( 2 )
From ( 1 ) and ( 2 ) ,
LHS = RHS
a × ( b × c ) = ( a × b ) × c
[ Associative proporty under
multiplication ]
I hope this helps you.
: )