Find the common difference is of an ap whose first term is 12 and v is zero
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The first term of an AP is 5 and Fifth term is 0.
Sol- an=a(n-1)d
a5=a(5-1)d
a5=a+4d
0=a+4d
0=12+4d
-12=4d
d= -12/4
d= -3 ANS.
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