Home
Class 12
MATHS
[" 121.If "(x)/(y)=(a+2)/(a-2)" ,then "(...

[" 121.If "(x)/(y)=(a+2)/(a-2)" ,then "(x^(2)-y^(2))/(x^(2)+y^(2))" is equal to "],[[" (a) "(8a)/(a^(2)+4)," (b) "(4a)/(a^(2)-4)],[" (c) "(4)/(a^(2))," (d) "(4a)/(a^(2)+4)]]

Promotional Banner

Similar Questions

Explore conceptually related problems

If (x)/(y)=(a+2)/(a-2), then (x^(2)-y^(2))/(x^(2)+y^(2)) is equal to (8a)/(a^(2)+4)(b)(4a)/(a^(2)-4)(c)(4)/(a^(2))(d)(4a)/(a^(2)+4)

If y = x+e^(x) , then (d^(2)y)/(dx^(2)) is equal to

If x=at^(2),y=2at then (d^(2)y)/(dx^(2)) is equal to

If   x/y = 1/3 , then ( ( x^2 + y^2 )/( x^2 - y^2 ) ) is equal to

If y=cos(log x) , then x^(2)(d^(2)y)/(dx^(2))+x(dy)/(dx)+y is equal to

If y=cos(log x) , then x^(2)(d^(2)y)/(dx^(2))+x(dy)/(dx)+y is equal to