CBSE Class 10 Answered
which term of the AP 72,63,54------is 0?
Asked by riyaliz | 01 Jul, 2008, 08:54: PM
Expert Answer
nth term = a +(n-1)d
0 = 72 + (n-1)(-9)
0 = 72 -9n + 9
9n = 72 + 9
9n = 81
n = 9
Answered by | 01 Jul, 2008, 11:44: PM
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