[" If "A=[[5,x],[y,0]]" and "A=A^(TT)" then "],[[" (a) "x=0,y=5," (b) "x+y=5," (c) "x=y," (d) None of thses "]]

If A=[(5,x),( y,0)] and A=A^T , then a) x=0,\ \ y=5 (b) x+y=5 (c) x=y (d) none of these

If A=[[5,xy,0]] and A=A^(T), then a x=0,y=5(b)x+y=5(c)x=y(d) none of these

If X+Y=[[7,0],[2,5]] and X-Y=[[3,0],[0,3]] then Find X and Y.

If X+Y=[[7,0],[2,5]] and X-Y=[[3,0],[0,3]] then Find 2X+Y .

If 0.5x+0.7y=0.74 and 0.3x+0.5y=0.5 then

If A=[[1,tan x],[-tan x,1]] , then the value of |A^(TT)A^(-1)| is

A=[[x,5y2x,0]] and B=[[0,(y)/(2)(x)/(5),-(y)/(10)]] find AB

Find X and Y, if X+Y = [[7,0],[2,5]] and X-Y = [[3,0],[0,3]]

If x = tan tt, y = sec t, then y ^ (3) y_ (2) + (y_ (1)) ^ (4) =

The combined equation of the asymptotes of the hyperbola 2x^2+5x y+2y^2+4x+5y=0 is (a) 2x^2+5x y+2y^2+4x+5y+2=0 (b) 2x^2+5x y+2y^2+4x+5y-2=0 (c) 2x^2+5x y+2y^2=0 (d) none of these