Evaluate the following: ` |[1,1,1],[1,1+x,1],[1,1,1+y]| `

Evaluate the following: |[1,x,y],[1, x+y, y],[1, x, x+y]|

Find the value of |[1,1,1],[1,1+x,1],[1,1,1+y]|

Find the value of |[1,1,1],[1,1-x,1],[1,1,1+y]| .

Evaluate the following limits : lim_(x to 1)(x-1)/(x+1)

Evaluate the following limits : lim_(x rarr 1) (x^(1/20)-1)/(x^(1/40)-1)

Evaluate det[[1,x,y1,x+y,y1,x,x+y]]

Find the value of |{:(1, " "1, " "1), (1, 1+x, " "1), (1, " "1, 1+y):}|.

If D = |(1,1,1),(1,1 +x,1),(1,1,1 +y)| " for " x!= 0, y != 0 , then D is divisible by

Find the coefficeint of correlation between x and y from the followin : {:(,x,1,2,3,4,5,6,7,8,9),(,y,9,8,1,1,1,1,1,1,1):}

Find the value of the following: tan((1)/(2))[sin^(-1)((2x)/(1+x^(2)))+cos^(-1)((1-y^(2))/(1+y^(2)))],|x| 0 and xy<1