1.

Show that the circles x^(2) +y^(2) -4x-6y-12=0 and 5(x^(2)+y^(2))-8x - 14y - 32 = 0 touch each other and find their point of contact.

Answer»


ANSWER :(i) (-1,-1) (ii) (11/5,-7/5)` (iii) `(1/5,3/5)` external
(iv) `(1/13,(-21)/13),5x+12y+19=0`
(V) `(5,1),4x-7y-13=0`
(iv) `(5,5),4x+3y-35=0`


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