LINEAR EQUATIONS IN ONE VARIABLE

STATEMENT-1 : The differential equation (d^(2)y)/(dx^(2)) + cos x.(dy)/(dx) + (x^(3) + 7)y = e^(x) is a linear equation and STATEMENT-2 : Every first degree equation is a linear equation.

The homogeneous system AX=0of n linear equation in n variables has (A) a unique solutions if |A|!=0 (B) infinitely many solution if |A|=0 (C) no solution (D) none of these

Let the system of linear equations A[x y z]=[0 1 0] where A is a matrix of set X If the system of linear equation has infinite solution then number of value of alpha is infinite If the system of linear equation has infinite solution then number of matrices is infinite If the system of linear equation has infinite solution then number of value of alpha is only 4 If the system of linear equation has infinite solution then number of matrices is 4

In countries like USA and Canada, temperature is measured in Fahrenheit, whereas incountries like India, it is measured in Celsius. Here is a linear equation that convertsFahrenheit to Celsius: F=(9/5)C+32 (i) Draw the graph of the linear equation.

Linear equation in two variable

In a LPP, the linear inequalities or restrictions on the variables called.

Given the geometrical representation of 2x+13=0 as an equation in One variable (ii) two variables

One equation of a pair of dependent linear equations is -5x + 7y -2 = 0 . The second equation can be

The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement.(Take the cost of a notebook to be Rs x and that of a pen to be Rs y).

The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be x and that of a pen to be y).