8:10Solar system concept for kids along concept of rotation and revolution @mathematicstutorial7513pcmbybipin72 views·2 months ago
6:37In Convex lens draw ray diagram when object placed between 2F1 and infinity using ruler.@phyby Bipinpcmbybipin30 views·4 months ago
2:47derivative of e^(-2x).sin4x without using formula ddx (uv) = u dvdx + v dudx, bipin sirpcmbybipin74 views·3 years ago
