Question

if the AP with 18 terms the common difference is -2 if the end term is 35 what is the first term​

Answer 1

Answer:

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Answer 2

Given:-

• Common difference ,d = -2

• Last term, an = 35

• Total term , n = 18

To Find:-

• First Term ,a

Solution:-

Using this Formula

• an = a +(n-1)d

Substitute the value we get

→ 35 = a + (18-1)(-2)

→ 35 = a + (17)(-2)

→ 35 = a -34

→ a = 35 +34

→ a = 69

Therefore, the first term of the AP is 69 .