The sum of first four terms of an A.P is 40 and that of first 14 terms is 280 find
1.nth term of an A.P
2.100th term of an A.P
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Answer:
Step-by-step explanation:
a = 1.875
Step-by-step explanation:
b=8 ab= 15
a x 8 =15
a = 15/8
a = 1.875
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