The sum of the AP 2,7,12,….to 10 terms
A) 180
B) 110
C) -180
D) -170
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4
Answer:
Thus, the sum of the 10 terms of the given AP is 245.
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2
Answer:
We will use the formula of sum of n terms of the arithmetic progression A.P., that is, Sn=n2(2a+(n−1)d), where a is the first term and d is the common difference. We know that n=10. Thus, the sum of the 10 terms of the given AP is 245.
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