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It is not possible to answer this question without information on whether the terms are of an arithmetic or geometric (or other) progression, and what the starting term is.

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Q: Formula to find out the sum of n terms?
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How do you find sum of sequential numbers?

You.... have to apply this formula! n(n+1)/2 and n is the no. of terms


What is the formula to find the sum of a geometric sequence?

The formula to find the sum of a geometric sequence is adding a + ar + ar2 + ar3 + ar4. The sum, to n terms, is given byS(n) = a*(1 - r^n)/(1 - r) or, equivalently, a*(r^n - 1)/(r - 1)


What is the Sn formula?

The formula for the sum of the first n terms of an arithmetic progression is Sn = n/2 * (a + l), where Sn is the sum, n is the number of terms, a is the first term, and l is the last term.


Find the sum of the first 48 terms of an aritmetic sequance 2 4 6 8?

Sum of 1st 2 terms, A2 = 2 + 4 = 6 Sum of 1st 3 terms, A3 = 2 + 4 + 6 = 12 Sum of 1st 4 terms A4 = 2 + 4 + 6 + 12 = 20 you can create a formula for the sum of the 1st n terms of this sequence Sum of 1st n terms of this sequence = n2 + n so the sum of the first 48 terms of the sequence is 482 + 48 = 2352


How do you find the sum to n terms of a harmonic progression?

The sum of n terms in a harmonic progression is given by the formula ( S_n = \frac{n}{a_1+ \frac{ (n-1)d}{2}} ) where ( S_n ) is the sum of n terms, ( a_1 ) is the first term, d is the common difference.


How do you find the C programming of the sum of the series 5 plus 55 plus 555 plus . plus n terms?

Find the Sum to n terms of the series 5 5+55+555+ +n Terms


What is the formula to find out the sum of first n even numbers?

n*(n+1)


What is formula to find sum of n even numbers?

There is no formula that will sum n even numbers without further qualifications: for example, n even numbers in a sequence.


What is the formula to find the sum of interior angles of a polygon?

The formula to find the sum of interior angles of a polygon is 180° × (n - 2), where n is the number of sides of the polygon.


Who gave the formula for finding sum of the first 'n' terms in Arithmetic Progression?

RAMANUJANRAMANUJAN


What is the formula used to find the sum of the angle measures in an n-gon?

The formula is (n-2)x180 over n =x


What is the formula that is used to find the sum of the interior angles of a polygon with n sides?

The formula is sum of interior angles = (n - 2)*pi radiansor (n - 2)*180 degrees.