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)…
Posted inClass 9th math NCERT
NCERT, Class 9, Lines and Angles , Chapter–6, Exercise-6.2, Important questions with explained answers
Q. 1. In the figure, if AB∥ CD,CD∥EF and y : z = 3 : 7. Find x. Q 2. In the figure, if AB∥CD,EF⊥CD and angle GED=126 degree. Find…
Posted inClass 10th math NCERT Quadratic Equations Chapter - 4 Theory related to Quadratic Equations
Methods for solving a Quadratic Equation – Detailed step wise explanation of every method
(1) Method of finding Common Elements; (2) Discriminant Method; (3) Method of Quadratic Formula; (4) Steps involved in Discriminant Method; (5) Steps involved in the Method of Quadratic Formula; (6)…
Posted inClass 10th math NCERT Quadratic Equations Chapter - 4 Theory related to Quadratic Equations
Some facts about the Quadratic Equation we should know:
(1) When an equation will be a Quadratic Equation? (2) What is a constant quantity; (3) What is a constant term; (4) What is a variable quantity; (5) What is…
Posted inClass 10th math NCERT Pair of Linear Equations in Two Variables chapter -3 Pair of Linear Equations in Two Variables Exercise 3.3
NCERT, Class 10, Pair of Linear Equations in Two Variables, Chapter–3, Exercise-3.3 – Step wise solution of each question with complete explanation
Q. 1. Solve the following pair of linear equations by the elimination and the substitution method: (i) x+y=5 and 2x–3y=4, (ii) 3x+4y=10 and 2x–2y=2 (iii) 3x–5y–4=0 and 9x=2y+7 (iv) x/2…
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,…
Posted inClass 10th math NCERT Pair of Linear Equations in Two Variables chapter -3 Pair of Linear Equations in Two Variables exercise 3.1
NCERT, Class 10, Pair of Linear Equations in Two Variables, Chapter–3, Exercise-3.1 – Stepwise solution with proper graph of each question
Q.1. Form the pair of linear equations in the following problems, and find their solutions graphically. (i) 10 students of class X took part in a Mathematics quiz. If the…
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…