20 Find the common tangents to the hyperbola x2- 2y2 = 4 and the circle - Maths - Differential Equations

Question

20 Find the common tangents to the hyperbola x2- 2y2 = 4 and
the circle

C h a p t e r   n a m e   : T A N G E N T   A N D
  N O R M A L   P r o v e   : 17   y + z z +
x x + y z + x x + y y + z x + y y +   z z + x   =  
2 x y z y z x z x y =   - 2 x 3   +   y 3   +
  z 3   -   3   x y z      
                  C B
S E   ' 01 ,   ' 04 ,   ' 06 C ,   ' 07

Neha Sethi · Accepted Answer

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20. Find the common tangents to the hyperbola x2- 2y2 = 4 and the circle... C h a p t e r n a m e : T A N G E N T A N D N O R M A L P r o v e : 17 . y + z z + x x + y z + x x + y y + z x + y y + z z + x = 2 x y z y z x z x y = - 2 x 3 + y 3 + z 3 - 3 x y z C B S E ' 01 , ' 04 , ' 06 C , ' 07