if -3,0,3,6,9........... is in AP.then find its 25th term
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Answered by
1
t25=-3+24×3
=-3+72
=69
=-3+72
=69
Answered by
1
a=-3 ,d=a2-a1=3 n=25
an=a+(n-1)d
=-3+(25-1)3
=-3+72
=69
an=a+(n-1)d
=-3+(25-1)3
=-3+72
=69
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