Which of the following sequence in GP will have common ratio 3 where n is an integer?

Which of the following sequence in GP will have common ratio 3 where n is an integer?

Which of the following sequeces in GP will have common ratio 3, where n is an Integer? Explanation: gn = 6( 3n-1) it is a geometric expression with coefficient of constant as 3n-1.So it is GP with common ratio 3.

What is the sum of geometric series?

To find the sum of a finite geometric series, use the formula, Sn=a1(1−rn)1−r,r≠1 , where n is the number of terms, a1 is the first term and r is the common ratio . Example 3: Find the sum of the first 8 terms of the geometric series if a1=1 and r=2 .

What is the sum of infinite terms of a GP?

What is the sum to infinite GP? The sum to infinite GP means, the sum of terms in an infinite GP. The formula to find the sum of infinite geometric progression is S_∞ = a/(1 – r), where a is the first term and r is the common ratio.

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How many terms of the geometric sequence 2 8 32128 are required to give a sum of 174762?

How many terms of the geometric sequence 2,8,32,128,…are required to give a sum of 174,762? There 9 terms are required.

How do you find the sum of a geometric series?

In mathematics, geometric series and geometric sequences are typically denoted just by their general term aₙ, so the geometric series formula would look like this: S = ∑ aₙ = a₁ + a₂ + a₃ +… + aₘ Where m is the total number of terms we want to sum.

What is a sum sequence in geometry?

Geometric Sequences and Sums Sequence. A Sequence is a set of things (usually numbers) that are in order. It is called Sigma Notation (called Sigma) means “sum up” And below and above it are shown the starting and ending values: It says “Sum up n where n goes from 1 to 4.

How do you find the first term of a geometric sequence?

Geometric Sequences. In a Geometric Sequence each term is found by multiplying the previous term by a constant. This sequence has a factor of 2 between each number. Each term (except the first term) is found by multiplying the previous term by 2. In General we write a Geometric Sequence like this: {a, ar, ar 2, ar 3,

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Why do we use the recursive formula for geometric sequences?

The recursive formula for geometric sequences conveys the most important information about a geometric progression: the initial term a₁, how to obtain any term from the first one, and the fact that there is no term before the initial.