Can anyone please give me the answer of this multiplication in the terms of another MeijerG
function?
MeijerG[{{}, {}}, {{0}, {}}, (b*x^(a/2))/r^(a/2)]*
(z - x)^((a*b/2) - 1)*
MeijerG[{{}, {}}, {{0}, {}}, (b*(z - x)^(a/2))/r^(a/2)]
where a > 0
and b > 0.5
.
MeijerGReduce[]
to work on the OP's integral. $\endgroup$