class 6 science

Find the sum of the GP : 1-1/3+1/9-1/27+...to n terms

find the scalar components of a unit vector which is perpendicular to the vectors i + 2j -k and 3i - 3j + 2k

Opening balance kis group me ayega

How to entry a journal entry

Physics

If a, b, c are non zero, non coplanar vectors and p=b×c/[a b c] ; q=c×a/[a b c] ; r=a×b/[a b c] then prove that (a b).p (b c).q (c a).r = 3......... (note: there is no gap in prove tht there is a sum sign.) 

solve the differential eaquation using any method (xy-1)dx+ydy=0

(xy-1)dx+ydy=0