which term of an ap : 21 42 63 84...... is 210
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Answered by
41
Step-by-step explanation:
a=21
d=21
an=210
an=a+(n-1)d
210=21+(n-1)21
189/21=n-1
9=n-1
n=10
210 is the 10th term of the AP
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6
Please refer the given answer :
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