Answer:
Step-by-step explanation:
Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.
• The sum of n terms of an AP is
• nth term of an AP is given by ,
Suppose a city with population 900000 has been growing at a rate of 7% per year. If this rate continues, find the population o
2 answers:
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