7. Use mathematical induction to prove that for all integers n 21, 4+8+12+…+4n-2n2+2n Show transcribed image text 7. Use mathematical induction to prove that for all integers n 21, 4+8+12+…+4n-2n2+2n
Answer
VM kehte-Chukef·ナ.um.coadition(n.L) 1a1 长 IF