Symbols and Basic Formulae
- Greek Letters
α alpha β beta γ gamma Г capita gamma δ delta Δ capital delta ε epsilon ι iota θ theta λ lambda µ mu ν nu ω omega Ω capital omega φ phi Φ capital phi ψ psi Ψ capital psi ξ xi η eta ζ zeta χ chi π pi σ sigma ∑ capital sigma τ tau ρ rho κ kapha - Algebraic Formulae
- Arithmetic Progression a, a + d, a + 2d,…, nth term Tn = a + (n–1)d;
Sum of n terms =
- Geometrical Progression: a, ar, ar2,…, nth term Tn = arn–1;
Sum of n terms =
- Arithmetic Mean ...
- Arithmetic Progression a, a + d, a + 2d,…, nth term Tn = a + (n–1)d;
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