Home
Class 11
MATHS
If f(2x+3y, 2x-7y)=20x, then f(x, y) equ...

If `f(2x+3y, 2x-7y)=20x`, then `f(x, y)` equals

A

`7x-3y`

B

`7x+3y`

C

`3x-7y`

D

`x-ky`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

If f(2x + 3y, 2x-3y)=4xy , then find the value of f(x,y)

If f(2x + y/8 , 2x - y/8) = xy , then f(m,n)+f(n,m)=0

If y=f(x)=(2x-1)/(x-2), then f(y)=

2x+3y=1,3x-y=7 then (x,y)=………….

If f(x+y,x-y) =xy , then the arithmetic mean of f(x,y) and f(y,-x) is

Given that f(x) is a differentiable function of x and that f(x) ,f(y) = f(x) + f(y) +f(xy) -2 and that f(1)=2 , f(2) = 5 Then f(3) is equal to

If f(x+y) = f(x)f(y) and f(5)=32 then f(7)=

If f(x) = cos(log x) , then f(x^(2)) . f(y^(2)) -1/2[f(x^(2)y^(2)) +f(x^(2)/y^(2))]=

If y = f((3x+4)/(5x+6)) and f^(1)(x) = tanx^2 then (dy)/(dx) is equal to