`0-:(-12)=?`

456+24xx0.75-12=?

If the area of the triangle formed by (0,0),(-1,2) and (1,2) is 2 sq. units,then the area of the triangle on shifting the origin to a point (2019,2020) is

If A=[(2x,0),(x,x)] and A^(-1)=[(1,0),(-1,2)] then x equals to

If A=[{:(2x,0),(x,x):}]and A^(-1)=[{:(1,0),(-1,2):}] , then what is the value of x ?

0,-4,-8,-12

If the points (0,0),(1,2) and (x,y) are collinear then :

Find the inverse of each of the following matrices : {:((1,5,2),(0,-1,2),(0,0,1)):}

At what point, the slope of the tangent to the curvex^2 + y^2 - 2x - 3=0 is zero ? (i) (3,0),(-1,0) (ii) (3,0),(1,2) (iii) (-1,0),(1,2) (iv) (1.2),(1,-2)

cos^(2)48^(0)-sin^(2)12^(0) is