NCERT, Class 9, Polynomials, Chapter–2, Exercise-2.1– Perfect approach to every question
Q
Important facts, depth in concept about and terms related to an expression and equation
(1) constant quantity; (2) variable quantity; (3) What is a ‘mathematical condition’ in mathematics?; (4) Coefficients; Useful steps for the calculation of the coefficient; (5) Terms in algebra; (6) What…