Skip to main content
1 of 3
Ben Webster
  • 44.7k
  • 12
  • 126
  • 260

Yes. You can choose an injective resolution of $X$ as an $A\otimes B^{op}$-module and we can use it to compute $RHom_A(G,X)$ as a $B^{op}$-module. This is still an injective resolution of $X$ as an $A$-module as well, so its higher homology vanishes.

Ben Webster
  • 44.7k
  • 12
  • 126
  • 260