Login
Register
10 AM to 7 PM
+91-82879 71571
Toggle navigation
Home
Video Lectures
Live Tutoring
Buy Course
Class 6/7/8
Science & Maths
Class 9
Class 9 – Maths+Science
Class 9 – Science
Class 9 – Maths
Class 9 – Science+Maths Video Paper Solution
Class 10
Class 10 – Maths+Science
Class 10 – Science
Class 10 – Maths
Class 10 – Social Studies
Class 10 – Hindi
Class 10 – Sanskrit
Class 10 – Computer Science
Class 10 – Science+Maths Video Paper Solutions
Class 11
11+12 – Physics
11+12 – Chemistry
11+12 – Mathematics
11 – Physics
11 – Chemistry
11 – Mathematics
Class 12
11+12 – Physics
11+12 – Chemistry
11+12 – Mathematics
12 – Physics
12 – Chemistry
12 – Mathematics
IIT-JEE
Class 11 – Physics for IIT-JEE
Class 11 – Chemistry For IIT-JEE
Class 11 – Mathematics for IIT-JEE
Class 12 – Physics For IIT-JEE
Class 12 – Chemistry For IIT-JEE
Class 12 – Mathematics for IIT-JEE
NEET
Class 11+12 – Physics
Class 11+12 – Chemistry
Class 11+12 – Biology
IIT/NEET Foundation
Class 9+10 – Foundation for IIT Physics
Class 9+10 – Foundation for IIT Chemistry
View All Courses
Study Material
Test Series
Doubts
LIVE Class Login
Contact
Email Us:
[email protected]
SMS “DRONSTUDY” to 53456
Call us: 08287971571 (10AM – 7PM)
Whatsapp : 9054043867 (10AM – 7PM)
Home
Video Lectures
Live Tutoring
Buy Course
Class 6/7/8
Science & Maths
Class 9
Class 9 – Maths+Science
Class 9 – Science
Class 9 – Maths
Class 9 – Science+Maths Video Paper Solution
Class 10
Class 10 – Maths+Science
Class 10 – Science
Class 10 – Maths
Class 10 – Social Studies
Class 10 – Hindi
Class 10 – Sanskrit
Class 10 – Computer Science
Class 10 – Science+Maths Video Paper Solutions
Class 11
11+12 – Physics
11+12 – Chemistry
11+12 – Mathematics
11 – Physics
11 – Chemistry
11 – Mathematics
Class 12
11+12 – Physics
11+12 – Chemistry
11+12 – Mathematics
12 – Physics
12 – Chemistry
12 – Mathematics
IIT-JEE
Class 11 – Physics for IIT-JEE
Class 11 – Chemistry For IIT-JEE
Class 11 – Mathematics for IIT-JEE
Class 12 – Physics For IIT-JEE
Class 12 – Chemistry For IIT-JEE
Class 12 – Mathematics for IIT-JEE
NEET
Class 11+12 – Physics
Class 11+12 – Chemistry
Class 11+12 – Biology
IIT/NEET Foundation
Class 9+10 – Foundation for IIT Physics
Class 9+10 – Foundation for IIT Chemistry
View All Courses
Study Material
Test Series
Doubts
LIVE Class Login
Contact
Email Us:
[email protected]
SMS “DRONSTUDY” to 53456
Call us: 08287971571 (10AM – 7PM)
Whatsapp : 9054043867 (10AM – 7PM)
Doubt Resolution
DronStudy Questions
>
riyajain | Questions
riyajain
Questions
Answers
0
Votes
1
Ans
5 chapters are missing in chemistry
882 views
doubts
approved
November 11, 2019
Class 11, 12 – Chemistry
0
Votes
2
Ans
answer plzz
912 views
riyajain
answered
July 1, 2019
Class 11, 12 - Maths
0
Votes
1
Ans
answer this
784 views
doubts
approved
June 29, 2019
Class 11, 12 - Maths
0
Votes
1
Ans
answer all the questions as i make my doubts question list by typing plz aswer all with full explaination and reasons
789 views
doubts
approved
June 28, 2019
Class 11, 12 – Chemistry
0
Votes
1
Ans
i typed all my doubts in one plz explain and solve all in details with proper reason for every questions
784 views
doubts
approved
June 28, 2019
Class 11, 12 - Physics
0
Votes
1
Ans
answer the question number only which is mentioned below …….remaining answers i know
804 views
doubts
approved
June 28, 2019
Class 11, 12 - Maths
0
Votes
2
Ans
answer this plzz
882 views
riyajain
edited answer
June 27, 2019
Class 11, 12 - Maths
0
Votes
1
Ans
12.Express A = as the sum of symmetric and skew symmetric matrix.
1704 views
doubts
approved
June 27, 2019
Class 11, 12 - Maths
0
Votes
1
Ans
1.Find the inverse of matrix A = by using elementary operations .
923 views
doubts
approved
June 27, 2019
Class 11, 12 - Maths
0
Votes
1
Ans
2.Solve for x, cos-1 [(x2 -1) / (x2 + 1)] + (1/2) tan-1 [(-2x) / (1-x 2 )] = 2pie/3
766 views
doubts
approved
June 27, 2019
Class 11, 12 - Maths
0
Votes
1
Ans
1.Prove that tan-1 [(a – b)/(1+ab)] + tan-1 [(b – c)/(1+bc)] + tan-1 [(c – a)/(1+ca)] = 0, a,b,c> 0.
2045 views
doubts
approved
June 27, 2019
Class 11, 12 - Maths
0
Votes
1
Ans
.If the function f : R → R be defined by f(x) = 2x – 3 and g : R → R by g(x) = x3+ 5, then find the value of (fog) -1 (x).
3605 views
doubts
approved
June 25, 2019
Class 11, 12 - Maths
Search
Toggle navigation
Home
Video Lectures
Live Tutoring
Buy Course
Study Material
Test Series
Doubts
LIVE Class Login
Contact
Get 2021
CBSE Crash Course
FREE**
Know
How