Question

The 20th term of the ap 4,7,10 is

Answer 1

Answer:

here:

a=4

d=3

n=20

An=a+(n-1)d

=4+(20-1)3

=4+(19*3)

=4+57

=61

Answer 2

The 20th term of the given AP is 61.

Step-by-step explanation:

The given AP is

4,7,10,...

First term = 4

Common difference = 7-4 = 3

nth term of AP is

$a_n=a+(n-1)d$

where, a is first term and d is common difference.

We need to find the 20th term of the given AP.

Substitute n=20, a=4 and d=3 in the above formula.

$a_{20}=4+(20-1)3$

$a_{20}=4+(19)3$

$a_{20}=4+57$

$a_{20}=61$

Therefore, the 20th term of the given AP is 61.

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