NCERT, Class 9, Polynomials, Chapter–2, Exercise-2.2– Exact solution of every question
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NCERT, Class 10, Probability, Chapter–14, Exercise-14.1– Unique approach to every question
Q.1. Complete the following statements: (i) Probability of an event E + Probability of the event ‘not E’ = _ _ _ (ii) The probability of an event that cannot…
Posted inArithmetic Progressions Chapter–5 Arithmetic Progressions Exercise 5.4 Class 10th math NCERT
NCERT, Class 10, Arithmetic Progressions, Chapter–5, Exercise-5.4 – Exact explanation of each question
Q. 1. Which term of the AP: 121, 117, 113,…., is its first negative term? [Hint: Find n for an < 0]; Q. 2. The sum of the third and…
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)…
NCERT, Class 9, Number Systems, Chapter–1, Exercise-1.4 – Stepwise clear solution of each question
Q.1. Classify the following numbers as rational or irrational: (i) 2–√5, (ii) (3+√23) –√23, (iii) (2√7)/(7√7),(iv) 1/(√2), (v) 2π ; Q.2. Simplify each of the following expressions: (i) (3 +…
NCERT, Class 10, Polynomials, Chapter–2, Exercise-2.2 – Stepwise proper explanation of each question
Q.1. Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and coefficient. (i) x^2–2x–8 , (ii) 4s^2–4s + 1, (iii) 6x^2– 3 – 7x,…