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
Posted inClass 10th math NCERT Pair of Linear Equations in Two Variables chapter -3 Pair of Linear Equations in Two Variables Exercise 3.2
NCERT, Class 10, Pair of Linear Equations in Two Variables, Chapter–3, Exercise-3.2 – Stepwise solution with proper explanation of each question
Q. 1 Solve the following pair of linear equations by the substitution method. (i) x+y=14 and x–y=4, (ii) s–t =3 and s/3+t/2=6, (iii) 3x–y=3 and 9x–3y=9, (iv) 0.2x+0.3y=1.3 and 0.4x+0.5y=2.3,…
NCERT, Class-10th, Chapter-2, Polynomials, Exercise-2.1- Proper solution of each question on graph paper
Q.1. The graphs of y= p(x) are given in figure, for some polynomials p(x). Find the number of zeroes of p(x), in each case.
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…
Some facts about Decimal Numbers
(1)What are decimal numbers?, (2)Steps for converting a rational number into decimal form:, (3) Types of Decimal Numbers- (i) Non-repeating along with termination decimal numbers, (ii) Non-terminating along with repetition…