Basic Definition and section Formula

Basic Definitions

Basic definitions

Examples on Spherical Surface||Lens||Introduction||Types & names OF Lenses||Basic Definition||Lens Formula

Basics OF Definite integration

Defination and distance formula || Section formula

Basic OF definite integration

Basic OF conic section , Basic definition , General terminologies

Basic formula

Communication || Basic Definition|| Modulation

Basic Definition OF Hyperbola|| Conjugate Hyperbola|| Illustration