Helppp
19. 1+2+3+4+5+ ... + 1 = n(n+1)
n
2
(a) i) Show that this formula is true...
Mathematics, 07.02.2022 19:50, adricabrera
Helppp
19. 1+2+3+4+5+ ... + 1 = n(n+1)
n
2
(a) i) Show that this formula is true for the sum of the first 8 natural numbers.
ii) Find the sum of the first 400 natural numbers.
Answers: 3
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