Question

if in an ap the nth term is an = 4n-5,the first term is​

Answer 1

Explanation:

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Answer 2

Answer:

$\sf \: T_n=(4n-5) \: \: \: \: \: \: \: \: \: \: (Given)$

$\sf \implies \: T_1=(4×1-5) = - 1$

• Thus, we have

first term = -1