Please solve Q56

Please solve Q56 6. 28. 29. 52. 53. 55. 56. VVhat are the last three digit of is divisible by Show that 1 3 Prove the identity 1621 Deduce that -1(-1) 4 E v uaLe 5 .r 2n + n 1.47.10 1.49 5.10.15

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