Question

if x=2 and y= -1 find the value of y power of x divide by x power of y , x power of 2 multiplied by y power of 2,y power of x subtracted by x power of y

Answer 1

x=2;

y=-1;

y^x/x^y

= -1^2/2^-1

= 2

x^2.y^2

= 2^2 . -1^2

= (4) . (1)

= 4

y^x-x^y

= (-1)^2 - (2)^-1

= 1 - 0.5

= 0.5