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Consider the following inequalities in r...

Consider the following inequalities in respect of any triangle ABC :
1. `AC-ABltBC`
2. `BC- ACltAB`
3. `AB-BCltAC`
Which of the above are correct ?

A

A)1 and 2 only

B

B)2 and 3 only

C

C)1 and 3 only

D

D) 1, 2 and 3

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