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The circle x^2+y^2+4x-6y+9=0 undergoes t...

The circle `x^2+y^2+4x-6y+9=0` undergoes the following transformation `3f(x,y)-f(x+1,y+1)=0` then the ratio of areas of the new circle to the original circle is : (i) `1:2` (ii)`2:3` (iii) `1:1` (iv) `1:3` (v) none

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