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  1. If   a + b + c = 2c, find
    a
    		 +
    c
    		 .
    a − cb − c
    1. 0
    2. 1
    3. 2
    4. –1
Correct Option: B

a + b = 2c
⇒  a – c = c – b

∴ 
a
 +
c
a − cb − c

=
a
 +
c
c – bb − c

=
a
 −
c
c – bc – b

=
a − c
 =
c – b
 = 1
c – bc – b


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