Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. (4 points each.) 4(4n + 1X8n + 7) 1.4'6+5-7+6-8+...+4n(4n+2)= 6 2 212+ 42+72+ +(3n-2)2= "(5" -3n-1) 2 For the given statement Pn, write the statements P1, Pk, and Pm. (2 points) 3.2+4+6+...+2n=n(n+1)