If ab = bc = ab, then b + c always equals
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ab=bc
a=bc/b
a=c
b+c will always equal to b+a as c=a
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a=bc/b
a=c
b+c will always equal to b+a as c=a
answer kya diya hai book me please tell
Answered by
0
Given
ab = bc = ab
Find out b + c always equals
To proof
as given
ab = bc = ab
take first two terms
ab = bc
cancel out the b
we get
a = c
take last two terms
bc = ab
cancel out the b
c = a
thus b + c always equals to a + c .
Hence proved
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