The reason I had asked is  bc I had found the following in the LI help:

To view and withdraw your sent invitations:

1. Click the  My Network icon at the top of your LinkedIn homepage.
   • You can filter, accept, or ignore any pending invitations displayed at the top of the page.
2. Click Manage all near the top of the page.
3. Click the Sent tab under Manage invitations. Only sent invitations that are still waiting for a response will be displayed.
4. Select one of the following withdraw options:
   • Click Withdraw to the right of each member’s invitations you want to cancel for single invitations.
   • Check the Select box to select all and click Withdraw [number] for multiple invitations. You can also select multiple invitations one by one by checking the Select box to the left of each invitation.
   • Check the Contacts imported from your address book box and click Withdraw all for invited imported contacts that happened by mistake