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Write the 3rd term of the a.5 whose fourth term is 9 and the common difference is 2

Sagot :

Answer:

Alright, let's dive into this arithmetic sequence! Given that the fourth term (a₄) is 9 and the common difference (d) is 2, we can find the third term (a₃) by using the formula for arithmetic sequences:

aₙ = a₁ + (n - 1) * d

a₃ = a₁ + (3 - 1) * 2 = a₁ + 2

a₃ = a₁ + 2