For what value of `m` does the system of equations `3x+m y=m ,2x-5y=20` has solution satisfying the conditions `x >0,y >0?`

Solve the system of equation 2x+ 5y =1 3x +2y =7

The system of equations x +2y+3z=1, x-y+4z=0, 2x+y+7z=1 has

The number of solutions of the system of equations 2x+y=4, x-2y=2, 3x+5y=6 is

Find the value of k for the given system of linear equations satisfying the condition below (i) 2x+ ky=1, 3x-5y=7 has a unlque solutions (ii) kx+3y=3,12x+ky =6 has no solutions (iii) (k-3) x +3y=k,kx +ky =12 has infinite number of solutions

Find the value of k for the given system of linear equations satisfying th condition below : 2x + ky =1, 3x -5y = 7 has a unique solution

The system of linear equations x+y+z =2, 2x+y-z=3, 3x+2y+kz= has a unique solution if

The number of solutions for the system of equations 2x + y = 4, 3x + 2y = 2, and x+y = -2 is

For each of the differential equations in find the particular solution satisfying the given condition : (x+y)dy+(x-y)dx=0,y=1 when x=1

Find lambda for which the system of equations x+y-2z=0,2x-3y+z=0,x-5y+4z=lambda is consistent and find the solutions for all such values of lambdadot