Question

In an Ap a=5&d=3 then find the value of a20?
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Answer 1

Answer :

62

Explanation :

Given,

In an AP,

first term, a = 5

common difference, d = 3

a$_{20}$ = ?

We know that,

n$^{th}$ term of an AP,

→ a$_{n}$ = a + (n - 1)d

→ a$_{20}$ = 5 + (20 - 1)3

→ a$_{20}$ = 5 + 57

→ a$_{20}$ = 62

Answer 2

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refer the above pic for answer!!!