Math, asked by reetimala76, 7 months ago

2n-4 (n+2) = 3 (n-3)

Answers

Answered by flare95

1

Answer:

1, = 1 + 2 + 3 + 4 + .. + n, = (n2 + n) / 2 = (1/2)n2 + (1/2)n, sum of 1st n integers. n

Step-by-step explanation:

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