Evaluate `|x y x+y y x+y xx+y x y|` .

Evaluate |(x, y, x+y),( y, x+y, x),( x+y, x, y)| .

Evaluate ∣ ∣ ∣ ∣ ∣ ∣ ∣ ∣ ​ x y x+y ​ y x+y x ​ x+y x y ​ ∣ ∣ ∣ ∣ ∣ ∣ ∣ ∣ ​

Write 2xx3 xx x xx x xx x xx yxx y xx y xx y in exponential from

If x^(y)=y^(x)" and "x=2y , then the values of x and y are ( x, y gt 0 )

Evaluate: (i) |(x^2+x y+y^2,x+y ),(x^2-x y+y^2,x-y)|

Evaluate |[1,x, y],[1,x+y, y],[1,x,x+y]|

Evaluate (-8x^2y^6)xx(\ -20 x y)for\ x=2. 5\ a n d\ y=1.

The quotient of x\ b y\ y added to the product of x\ a n d\ y is written as (a) x/y+x y (b) y/x+\ x y (c) (x y+x)/y (d) (x y+y)/x

If x , y ,z in [-1,1] such that cos^(-1)x+cos^1y+cos^(-1)z=3pi, then find the values of (1) x y+y z+z y and (2) x(y+z)+y(z+x)+z(x+y)

If x , y ,z in [-1,1] such that cos^(-1)x+cos^1y+cos^(-1)z=3pi, then find the values of (1). x y+y z+z y and (2). x(y+z)+y(z+x)+z(x+y)