Write the first five terms of each of the sequences in Exercises 1 to 6 whose $n^{\text {th }}$
terms are:
$$
a_{n}=n \frac{n^{2}+5}{4}
$$

Answer

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Precalculus

NCERT Class 11 - Math

Chapter 9

Sequences and Series

Section 1

Introduction

Discussion

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Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Problem 11

Problem 12

Problem 13

Problem 14

Video Transcript

we have problem number six in which we need to find the first five terms of the sequence A. n. equal to n. into an esquire plus five by for so just Start plugging the values right from an equal to one. So a one which is the first term will be equal to one and two One square plus five x 4. So this will be one plus 56 by four Which is three x 2 one and equal to two. It will be equal to two and two To a square plus five by four. That is to In 29 by four Which will be nine x 2. When an equal to three A three becomes equal to three and 2 three square plus five x 4. Three and two 14 x four. So 7 to 21 x two. When an equal to four A full will be equal to foreign to four squared plus fired by four So. And formula that cancel out we will be getting 21 When any call to five A five will be equal to 35th term five and two. My risk wire plus five x 4. That is five and two 35 4 two 15. Okay, so this is 75 x two. So these are the terms. This is first time. This is the second term. This is a third term. This is the fourth term and this is the future term. Thank you.

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