Consider the following statements: 
1) When the number of members (n) and joints (j) are such that the equation n = (2j – 3) is satisfied, the framed structure is said to be a perfect structure. 
2) In a redundant frame, the number of members is less than that required for a perfect frame. 
3) If, in a framed structure, the number of members provided is more than that required for a perfect frame, it is called as deficient frame. 
Which of the above statements is/are correct?