Math, asked by Anonymous, 5 months ago

remember steepp byy steepp

don't spam please u will be reported
answer only if u know
hurry up please
answer fast emergency

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Answered by nair93091

3

Answer:

The formula is given. Just substitute 10 instead of n.

$\frac{10(10 + 1)(10 + 2)}{6}$

$\frac{10(11)(21)}{6}$

Answer is 385.

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