1. Check whether the following are quadratic equations: (i) (x+1)2=2(x–3) (ii) x2–2x=(–2)(3–x) (iii) (x–2)(x+1)=(x–1)(x+3) (iv) (x–3)(2x+1)=x(x+5) (v) (2x–1)(x–3)=(x+5)(x–1)
Category: Ncert
Solve the following pair of linear equations by the elimination method and the substitution method: (i) x+y=5 and 2x–3y=4
Ncert solutions class 10 Exercise 3.3 Pair of Linear Equations in Two Variables Exercise 3.3 Previous Next Class
Solve the following pair of linear equations by the substitution method. (i) x+y=14 & x–y=4
Ncert solutions class 10 Exercise 3.2 Pair of Linear Equations in Two Variables Exercise 3.2 Previous Next Class
Form the pair of linear equations in the following problems, and find their solutions graphically. (i) 10 students of Class X took part in
Ncert solutions class 10 Exercise 3.1 Pair of Linear Equations in Two Variables Previous Next Class 10 Pair
Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. (i) x2 – 2x – 8
1. Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the
Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively. (i) (1\over4), 1
2. Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes
The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find the number of zeroes of p(x), in each case.
1. The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find
Matrices A and B will be inverse of each other only if (A) AB=BA
1. Matrices A and B will be inverse of each other only if (A) AB=BA (B) AB=BA=0 (C) AB=0,
If A is square matrix such that (A^2=A), then ((I+A)^3–7A) is equal to (A) A
11. If A is square matrix such that (A^2=A), then ((I+A)^3–7A) is equal to(A) A(B) I–A(C) I(D) 3A
If the matrix A is both symmetric and skew symmetric, then (A) A is a diagonal matrix
10. If the matrix A is both symmetric and skew symmetric, then (A) A is a diagonal matrix(B)