Find a, b and c if the numbers a, 7, b, 23, c are in AP.
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7-a =23-b
7-23=a-b............eqn(1)
(a+b)/2= 7
a+b=14
solving abovr eqns wr get a= -1
And b=15
C=31
7-23=a-b............eqn(1)
(a+b)/2= 7
a+b=14
solving abovr eqns wr get a= -1
And b=15
C=31
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