Question

find the 5th term of an a.p whose nth term is 4n2-1​

Answer 1

Step-by-step explanation:

I hope you understand the answer!!!

Answer 2

5th term of AP is 99.

Given:

• nth term of AP is $4 {n}^{2} - 1$

To find:

• Find the 5th term of AP.

Solution:

Concept to be used:

• Put the value of n for the desired term.

Put n=5, for the 5th term.

$a_5 = 4( {5)}^{2} - 1$

or

$a_5 = 4 \times 25 - 1$

or

$a_5 = 100 - 1$

or

$\bf a_5 = 99$

Thus,

5th term of AP is 99.

Learn more:

1) an=9-5n , a4= (can u please answer this question

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2) If the sum of the first 8 terms of AP is 136 and that of first 15 terms is 465 then find the sum of first 25 terms

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