When the origin is shifted to (h,k) ,then the equation `(x)/(a)+(y)/(b)=2` is changed to `(X)/(a)+(Y)/(b)=0` then `(h)/(a)+(k)/(b)`=
a) 1
b)-1
c)2
d) - 2

" When the origin is shifted to "(h,k)" ,the equation "(x)/(a)+(y)/(b)=2" is changed to "(x)/(a)+(y)/(b)=0" ,then "(h)/(a)+k/b

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If the slope of the line ((x)/(a)+(y)/(b)-1)+k((x)/(b)+(y)/(a)-1)=0 is -1 then the value of k=?

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If (2k-1, k) is a solution of the equation 10 x-9y=12 , then k= (a) 1 (b) 2 (c) 3 (d) 4