If the straight line `a x+c y=2b ,`
where `a , b , c >0,`
makes a triangle of area 2 sq. units with the coordinate axes, then
`a , b , c`
are in GP
a, -b; c are in GP
`a ,2b ,c`
are in GP (d) `a ,-2b ,c`
are in GP
A. a,b,c are in GP
B. a,-b, c are in GP
C. a,2b,c are in GP
D. a,-2b, c are in GP