How to do following restore?

Database A;
One full backup finished at 10 am
one differential backup finished at 11am
one transaction log finished at 11:45 am
I need to restore database A to 11:30 am
So how I do restore:
1) Restore full backup at 10am nonrecovery + restore transaction(11:45am) stop at 11:30 am recovery
or
2) restore full backup at 10 am nonrecovery+ restore differential(11am) norecovery +restore transaction(11:45am) stop at 11:30 am recovery
1) or 2)?
What is relationship between differential backup and transaction log backup?
I know first transaction log backup with backup changes between transaction log backup time and full backup time
Then next transaction log backup will backup changes between it and its last transaction log backup. Correct?

Do you mean:
2) restore full backup at 10 am nonrecovery+ restore differential(11am) norecovery +restore transaction(11:45am) stop at 11:30 am recovery
is incorrect to do restore that I need?
No it is not incorrect but will take more time ,when doing restore or tryin to to DR test you always choose way to recover data faster.SO 1 will let you recover data faster
So transaction log backup at 11:45 am is to backup changes between 11:45 am and 10 am(full backup time) or between 11:45 am and 11am(differential backup)?
Transaction log backup Includes all changes from previous full backup (if it is taken just after full backup) or from previous transaction log backup (if more than 1 transaction log backup are taken)
Seen lots of question from you on DR and recovery.Please read below link ,will surely help you
Understanding SQL Server Backups
Recoverin from disaster using backups
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

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Please mark solved if I've answered your question, vote for it as helpful to help other users find a solution quicker
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