10^(2*)=2^(5)" than "10^(y)" equal to "

If 10^(2y)=25, then 10^(-y) equals -(1)/(5)(b)(1)/(50) (c) (1)/(625) (d) (1)/(5)

If 10^(2y)=\ 25\ , then 10^(-y) equals (a) -1/5 (b) 1/(50) (c) 1/(625) (d) 1/5

If log_(10)((x^(2)-y^(2))/((x^(2))+y^(2)))=2" then "(dy)/(dx) is equal to

x^(2)x2y^(3)x5x^(3)y^(2) is equal to: 10x^(2)y^(5) (b) 10x^(5)y^(2)10x^(5)y^(5)(d)x^(5)y^(5)

If e is the eccentricity of the hyperbola (5x - 10)^(2) + (5y + 15)^(2) = (12x - 5y + 1)^(2) then (25e)/13 is equal to _____

If e is the eccentricity of the hyperbola (5x - 10)^(2) + (5y + 15)^(2) = (12x - 5y + 1)^(2) then (25e)/13 is equal to _____

3 xx 10^(5) + 4 xx 10^(3) + 7 xx 10^(2) + 5 is equal to

3xx10^(5) + 4xx10^(3) + 7xx10^(2) + 5 is equal to

If log _(10) ((x^(2) - y^(2))/(x^(2) + y^(2))) = 2 , " then" (dy)/(dx) is equal to