The explicit formula helps to find any term of the sequence with the least calculations.'Sum of Arithmetic Sequence Calculator' is an online tool that helps to calculate the sum of the arithmetic sequence. The explicit formula is useful to find any term of the sequence, without knowing the previous terms or any other term of the sequence. What is The Advantage Of Using Explicit Formula? Here any term of the harmonic sequence can be computed using this explicit formula. The explicit formula for the harmonic sequence is a n = 1/(a + (n - 1)d). What is Explicit Formula For Harmonic Sequence? Any term of the geometric progression can be computed using this explicit formula. Here 'a' is the first term, and 'r' is the common ratio of the geometric sequence. The geometric sequence explicit formula is a n = ar n-1. What is Explicit Formula For Geometric Sequence? Hence the explicit formula for the arithmetic sequence is a n = a + (n - 1)d. a + (n - 1)d, and the n th term of the sequence forms the explicit formula. For the arithmetic sequence a, a + d, a + 2d, a + 3d. The arithmetic sequence explicit formula can be easily computed from the term of the sequence. What is Explicit Formula For Arithmetic Sequence? Similarly, the explicit formula can be computed for the geometric sequence and harmonic sequence. And the explicit formula for this arithmetic sequence is a n = a + (n - 1)d. a + (n - 1)d, the n th term forms the explicit formula of the sequence. For the arithmetic progression, a, a + d, a + 2d, a + 3d. The explicit formula can be written from the n th term of the sequence. The explicit formula for the arithmetic sequence is a n = a + (n - 1)d, for the geometric sequence is a n = ar n-1, and for the harmonic sequence is a n = ar n-1. The n th term of the sequence forms the explicit formula and any term can be computed by substituting the value of n in the explicit formula. The explicit formula is useful to find any term of the sequence without the help of the previous terms of the sequence. is a n = n 2 as every term is a square number of its position.įAQs on Explicit Formula What is Explicit Formula In Algebra? For example, the explicit formula for the sequence 1, 4, 9, 16, 25. Apart from, the explicit formulas of arithmetic, geometric, and harmonic sequences, there can be any other formulas.To write the explicit formula, there should be a pattern that all terms follow.Any set of terms cannot be expressed by explicit formula.Thus the harmonic sequence explicit formula for this sequence is a n = 1/(3n - 1). the value of a = 2, and d = 5 - 2 = 3, and the nth term of the sequence is 1/(2 + (n - 1)3) = 1/(3n - 1). This explicit formula of the harmonic sequence helps to easily find any term of the sequence, without knowing the previous terms. Here 1/(a + (n - 1)d) is the general term of the harmonic sequence and is the required explicit formula.Įxplicit formula for finding the n th term of harmonic sequence: a n = 1/(a + (n - 1)d) The terms of the harmonic sequence are 1/a, 1/(a + d), 1/(a + 2d), 1/(a + 3d). The harmonic sequence explicit formula is useful to easily find any term of the harmonic sequence without finding the other terms of the sequence. The explicit formula is also helpful to represent the entire sequence with a single formula. Generally, the n th term of the sequence represents the explicit formula. ) which can be uniquely represented using an explicit formula (a n = 2n). Let us consider a simple sequence of even numbers(2, 4, 6, 8. The above explicit formulas are helpful to find any term of the arithmetic sequence, geometric sequence, or harmonic sequence, by simply substituting the n values in the respective explicit formulas. Harmonic Sequence: a n = 1 /, where 'a' is the first term and 'd' is the common difference of the arithmetic sequence formed by taking the reciprocals of the harmonic sequence.Geometric Sequence: a n = a r n - 1, where 'a' is the first term and 'r' is the common ratio.Arithmetic Sequence: a n = a + (n - 1) d, where 'a' is the first term and 'd' is the common difference.Here are the explicit formulas of different sequences: The explicit formula helps to easily find any term of the sequence, without knowing its previous term. The terms of a sequence can be uniquely represented using a single formula, which is the explicit formula. The meaning of "explicit" is direct, something that can be directly found without knowing the other terms of the sequence. Explicit formulas are always used to represent any term of the sequence, without writing the other terms of the sequence.
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