Problem on Convolution Property of Z-Transform

[@VAISHNADEVIGECEUG-]

THANK U SIR

[@vaishnavi7858]

How did overall ROC become 1/2 can you plz elaborate sir?

[@utkaldas4705]

how ??????????????????????????????????????????????

[@15_chiragbajaj42]

yeah shouldn't it be >1/4

[@bunchofatoms10]

nah it is correct, draw it on graph, and see, the radius of bigger circle will be taken, no use taking the smaller circle in ROC