Question

If the sum of first m terms of an AP is 2m²+ 3m , then what is its second

term​

Answer 1

Answer:

2m2 +3m = 5m2

Step-by-step explanation:

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Answer 2

Solution:

S_m = 2m² + 3m

=> S1 = 2 + 3 = 5

=> S2 = 2(2)² + 2(3)

=> S2 = 14

=> t2 = S2 - S1 = 14 - 5 = 9.

Therefore, the second term is 9.