raiunique raiunique

09-05-2021
Mathematics

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write an expanded form and find the sum . plzz solve it 100% right...

write an expanded form and find the sum plzz solve it 100 right class=

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Trancescient Trancescient

09-05-2021

Step-by-step explanation:

n = 0 : 2(0) -1 = -1

n = 1 : 2(1) - 1 = 1

n = 2 : 3

n = 3 : 5

n = 4 : 7

n = 5 : 9

sum = -1 + 1 + 3 + 5 +7 + 9 = 25

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