if `x^*y=1+12x+xy` for all `x,y epsilon Q` then `2^*3` is

If x+y =k , where x, y epsilon N then xy is maximum when (x, y)-=..

If xy=k , where x, y epsilon N , then x+y is minimum when (x, y)-= …

f(x)+f(y)=f((x+y)/(1-xy)) ,for all x,yinR . (xy!=1) ,and lim_(x->0) f(x)/x=2 .Find f(1/sqrt3) and f'(1) .

f(x)+f(y)=f((x+y)/(1-xy)) ,for all x,yinR . (xy!=1) ,and lim_(x->0) f(x)/x=2 .Find f(1/sqrt3) and f'(1) .

f(x)+f(y)=f((x+y)/(1-xy)) ,for all x,yinR . (xy!=1) ,and lim_(x->0) f(x)/x=2 .Find f(sqrt3) and f'(-2) .

If x+y=12 and xy=32 then the value of (x^2+y^2) is:

If 8x^2+y^2- 12x - 4xy + 9= 0 , then the value of (14x - 5y) is: यदि 8x^2+y^2- 12x - 4xy + 9= 0 है, तो (14x - 5y) का मान ज्ञात करें |

x+2y=-1,2x-3y=12