[" If the circles "x^(2)+y^(2)-9=0" and "x^(2)+y^(2)+2ax+2y+1=0" touch each other,then "a=],[[" (A) "-4/3," (B) "0," (C) "1," (D) "4/3]]

Similar Questions

Explore conceptually related problems

The circles x^(2)+y^(2)+2x-2y+1=0 and x^(2)+y^(2)-2x-2y+1=0 touch each other

If the circles x^(2)+y^(2)+2gx+2fy=0 and x^(2)+y^(2)+2g'x+2f'y=0 touch each other, then

If circles x^(2) + y^(2) = 9 " and " x^(2) + y^(2) + 2ax + 2y + 1 = 0 touch each other , then a =

If the circles x^(2)+y^(2)=9 and x^(2)+y^(2)+8y+C=0 touch each other,then c is equal to

If the circles x^(2)+y^(2)+2ax+b=0 and x^(2)+y^(2)+2cx+b=0 touch each other (a!=c)

If the circles x ^(2) +y^(2) +2gx +2fy =0 and x ^(2) +y^(2) +2g'x+ 2f'y=0 touch each other then-

If the circles x^(2)+y^(2)+4x+8y=0andx^(2)+y^(2)+8x+2ky=0 touch each other , then =.........

If the circles x^(2)+y^(2)-9=0 and x^(2)+y^(2)+2ax+2y+1=0 touch each other then alpha is -(4)/(3)(b)0(c)1(d)(4)/(3)

If the circles x^2+y^2-9=0 and x^2+y^2+2ax+2y+1=0 touch each other, then a is -4/3 (b) 0 (c) 1 (d) 4/3