Prove each statement in 6–9 using mathematical induction. Do not derive them from Theorem 5.2.2 or Theorem 5.2.3. 6. For all integers n > 1, 2+4+6+ ..+ 2n = n² + n.

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Prove each statement in 6–9 using mathematical induction. Do
not derive them from Theorem 5.2.2 or Theorem 5.2.3.
6. For all integers n > 1, 2+4+6+...+ 2n = n² +n.
7. For all integers n > 1,
п (5n — 3)
1+6+11+16+ ...+ (5n – 4) =
2
8. For all integers n > 0, 1+2+2² + · . . + 2" = 2"+l – 1.
Transcribed Image Text:Prove each statement in 6–9 using mathematical induction. Do not derive them from Theorem 5.2.2 or Theorem 5.2.3. 6. For all integers n > 1, 2+4+6+...+ 2n = n² +n. 7. For all integers n > 1, п (5n — 3) 1+6+11+16+ ...+ (5n – 4) = 2 8. For all integers n > 0, 1+2+2² + · . . + 2" = 2"+l – 1.
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