Question

find the 14th term of the AP 7, 2,-3,-8......

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Answer 1

Solution :-

• a = 7
• d = 2 - 7 = - 5
• n = 14

→ an = a + (n - 1) × d

→ a14 = 7 + (14 - 1) × (-5)

→ a14 = 7 + 13 × (-5)

→ a14 = 7 - 65

→ a14 = - 58

Answer 2

this is appropriate answer of your question.