Posted inClass 10th math NCERT
Polynomials all formula
Polynomials definition, formula and types Class -10 chapter – 2, Polynomials(A) What is a quantity?A quantity is a thing which can be measured. There are two types of quantities:- (1)…
Algebraic Identities
(1) (a+b)2=a2+b2+2ab, (2) (a+b+c)2=a2+b2+c2+2ab+2bc+2ca, (3) (a+b)3=a3+b3+3ab(a+b), (4) a3+b3+c3–3abc=(a+b+c)(a2+b2+c2–ab–bc–ca), (5) a2–b2=(a+b)(a–b), (6) a3+b3=(a+b)(a2+b2–ab), (7) a3–b3=(a–b)(a2+b2+ab), (8) Constant quantities; (9) Variable quantities; (10) Constant term; (11) Equation