24http://targetiit.com/iit_jee_forum/posts/ncert_3570.html
Show that the semi vertical angle of a right circular cone of given surface area and maximimum volume is sin-1(1/3)
Pls give the shortest method..It is there in RD, but i think it is tooooooo long...I need EXPERT'S Help...
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6 Answers
1Do we have differentiability in CBSE.. There were no past years questions in dat .... Pls let me know.....
11YAAR NCERT MEIN ITNA BADA AUR BADIYA CHAPTER US PAR DIYA HUA HAI
SO WHAT IS THE POINT IN ASKING THE QUESTION[7][7][7]
11my dear u have the chapter of continuity and differentiability in NCERT
to be a typical CBSE student
the definition of differentiability which we used in +1 and on which u faced questions in the last year final exam that is not in the boards as it is not in +2
u can also check last 5-10 papers f it
questions r being asked on continuity and iski weightage 8 marks ki hai (2 4 marks ques )
differentiability is there
but differentiability by 1st principle is not in +2 boards but it is in IIT
