/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q 118. In the following exercises, find... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 12: Q 118. (page 1185)

In the following exercises, find each sum.

鈭�i=1457i鈭�5

Short Answer

Expert verified

The obtained sum is 7020.

Step by step solution

01

Step 1. Given Information.

Consider the given sum:鈭�i=1457i鈭�5

02

simplify the sum.

Express the sum and identify the values.

鈭�i=1457i鈭�5=71鈭�5+72鈭�5+72鈭�5+鈰�+745鈭�5=2+9+16+鈰�+310=a1+a2+a3+鈰�+an

03

Step 3. Find the sum.

Substitute the values in some formula Sn=n2a1+an.

S45=4522+310=452312=45156=7020

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

In the following exercises, expand each binomial.

(m+n)5

Find a general term for the sequence whose first five terms are shown.

11,14,19,116,125,鈥�

Find the ninth term of the sequence 6,18,54,162,486,1,458,鈥�.Then find the general term for the sequence.

In the following exercises, expand each binomial.

(x-2)4

Determine if each sequence is arithmetic. If so, indicate the common difference.

(a)鈭�4,4,2,10,8,16,鈥�(b)鈭�3,鈭�1,1,3,5,7,鈥�(c)7,2,鈭�3,鈭�8,鈭�13,鈭�18,鈥�
See all solutions

Recommended explanations on Math Textbooks

Mechanics Maths

Read Explanation

Logic and Functions

Read Explanation

Applied Mathematics

Read Explanation

Calculus

Read Explanation

Statistics

Read Explanation

Theoretical and Mathematical Physics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.