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BARSIC [14]
3 years ago
15

1^2 + 4^2 + 7^2 -... - (3n - 2)^2 = n(6n^2 - 3n - 1)/2

Mathematics
1 answer:
Natali [406]3 years ago
6 0

Answer:

1

2

+

4

2

+

7

2

−

.

.

.

−

(

3

−

2

)

2

=

(

6

2

−

3

−

1

)

/

2

Step-by-step explanation:

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