My Math Forum  

Go Back   My Math Forum > High School Math Forum > Algebra

Algebra Pre-Algebra and Basic Algebra Math Forum


Reply
 
LinkBack Thread Tools Display Modes
September 7th, 2012, 10:13 AM   #1
Member
 
Joined: Sep 2012

Posts: 32
Thanks: 0

Doubts !

Please clarify the following doubts of mine .

Q1 ) [attachment=1:142g6gcc]doubt.JPG[/attachment:142g6gcc]

Q2 )[attachment=0:142g6gcc]dout.JPG[/attachment:142g6gcc]


Awaiting for your reply .
Thanks .
Attached Images
File Type: jpg doubt.JPG (11.6 KB, 89 views)
File Type: jpg dout.JPG (16.7 KB, 89 views)
saravananr is offline  
 
September 7th, 2012, 11:54 AM   #2
Math Team
 
mathbalarka's Avatar
 
Joined: Mar 2012
From: India, West Bengal

Posts: 3,871
Thanks: 86

Math Focus: Number Theory
Re: Doubts !

Q1:





Q2:

Ans c)
mathbalarka is offline  
September 7th, 2012, 06:46 PM   #3
Math Team
 
Joined: Oct 2011
From: Ottawa Ontario, Canada

Posts: 12,902
Thanks: 882

Re: Doubts !

Quote:
Originally Posted by saravananr
Please clarify the following doubts of mine .
Those are not doubts...they are requests to do YOUR homework
Denis is offline  
September 7th, 2012, 07:00 PM   #4
Senior Member
 
MarkFL's Avatar
 
Joined: Jul 2010
From: St. Augustine, FL., U.S.A.'s oldest city

Posts: 12,193
Thanks: 504

Math Focus: Calculus/ODEs
Re: Doubts !

One way to figure out the second problem is to write:



MarkFL is online now  
September 7th, 2012, 07:15 PM   #5
Senior Member
 
MarkFL's Avatar
 
Joined: Jul 2010
From: St. Augustine, FL., U.S.A.'s oldest city

Posts: 12,193
Thanks: 504

Math Focus: Calculus/ODEs
Re: Doubts !

Another (similar) approach to the first problem:



(1)



(2)



(3)

Adding (1), (2) and (3) we obtain:



MarkFL is online now  
September 7th, 2012, 07:18 PM   #6
Member
 
Joined: Sep 2012

Posts: 32
Thanks: 0

Re: Doubts !

Thank you very much for your kind and quick reply. You have cleared all my doubts.
saravananr is offline  
Reply

  My Math Forum > High School Math Forum > Algebra

Tags
doubts



Search tags for this page
Click on a term to search for related topics.
Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
LCM & HCF doubts Alexis87 Algebra 3 September 29th, 2013 07:33 PM
graph doubts Alexis87 Algebra 0 August 4th, 2013 03:16 AM
mean calculation doubts Alexis87 Algebra 1 August 3rd, 2013 08:05 PM
Probability doubts Alexis87 Probability and Statistics 4 July 28th, 2013 08:51 AM
3 doubts- plz help!! vasudha Calculus 4 February 22nd, 2012 07:30 AM





Copyright © 2018 My Math Forum. All rights reserved.