given an=a+2n write first 3 terms
Answers
Answered by
11
Answer and Explanation
Given that,
nth term = aₙ = a + 2n
First term
a₁ = a + 2*1
a₁ = a + 2
Second term
a₂ = a + 2*2
a₂ = a + 4
Third term
a₃ = a + 2*3
a₃ = a + 6
a₁ = a + 2
a₂ = a + 4
a₃ = a + 6
Hence,
Common difference = a₂ - a₁ = (a + 4) - (a + 2) = a + 4 - a - 2 = 2
d = a₃ - a₂ = (a + 6) - (a + 4) = a + 6 - a - 4 = 2
Answered by
1
Answer:
a+2, a+4, a+6
Step-by-step explanation:
given- an=a+2n....(1)
we have to find
let n be 1
putting n = 1 in (1)
= a+2(1)
= a+2
similarly putting n=2 in(1)
we get = a+4
and putting n=3 in (1)
we get = a+6
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