Question

Please give step by step explanation ​

Answer 1

B) is correct option....

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Answer 2

Step-by-step explanation:

Here , first term (a) = 5 and common difference (d) = 2

tn = a + (n - 1 )d ....(formula)

t6 = 5 + (6 - 1 ) x 2

t6 = 5 + 5 x 2

t6 = 5 + 10

t6 = 15

Therefore , the sixth term of an A.P. which is prime number is 15 .