Hello students myself Dr. Gajendra Purohit
and students I have done by Phd in algebra and students
I have cleared the CSIR-NET exam and
my videos are for engineering mathematics and bsc
students and you all might have lot of problems
as you ask where are the videos so please
if you are facing any problem then here is a playlist
where I made all the playlist separately
so you can go and watch my videos there
and if you are facing any problem
you can to the comment box and comment
students there might be some small
plus minus mistakes so please to comment there
so that I can rectify them and I
am going to add that in my pin comment so that
you get to know where I did the mistake so that
you avoid them and students if you are preparing for CSIR-NET
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Hello students myself Dr. Gajendra Purohit and today I will start
de morgan and bertrand's
test. So students this test is very important as when raabe's test fails
then we use this test and raabe's test, logarithmic
test I have told you before. Students my
comparison test and D' Alembert's ratio test and cauchy integral test
and cauchy root test,so many
videos on infinite series
are already uploaded so you can go on the I icon and
watch my videos or at the end the screen that appears
all my old videos that are uploaded
you can see all of them. Students for engineering mathematics and bsc students
I have uploaded good content till now
and I will do that in future also and all your
comments that you do I see all of them where you ask to upload the video on this topic
that topic and I am doing that and I know that
your exams are coming and seeing that
I will try my best to upload the content for you
and I m always there for you, you all don't take tension
and if you have not subscribed to my channel so
subscribe to my channel and pres the notification bell so that for all my upcoming
videos you get the notification. So students see
what is de morgan and bertrand's test and how we will find
that the series is convergent or divergent so the series
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
so students you must have understood my lesson
and if you faced any problem so please
comment in the comment box and do share
with your friends and students if for NET
CSIR-NET, IIT-JEM  you are preparing
so from the playstore you can install the unacademy app and
do follow me there so that for NET
JEM if you are preparing for that so there a lot of helpful
material I am even uploading there also
so students be with me
and I will bring good content for you in future also
Thank you so much for watching my videos. Thank you
