Chemistry in Industry

Permutation and combination : Permutation of n different things taken r at a time (r≤n). Permutation of n things not all different. Permutation with repetitions (circular permutation excluded).

Quadratic Equations : Quadratic equations with real coefficients; Relations between roots and coefficients; Nature of roots; Formation of a quadratic equation, sign and magnitude of the quadratic expression ax²+bx+c (a,b,c are rational numbers and a≠0).

Complex Numbers: Definition and properties of complex numbers; Complex conjugate; Triangle inequality; Square root of complex numbers; Cube roots of unity; D’Moivre’s theorem (statement only) and its elementary applications.

Logarithms :Definition; General properties; Change of base.

SYLLABUS FOR WEST BENGAL JOINT ENTRANCE EXAMINATION MATHEMATICS

ALGEBRA