tn=15-3n
t1=15-3x1=12
t2=15-3x2=9
d=t2-t1/d=9-12=-3
tn=t1+(n-1)xd
tn=12+(12-1)x-3
12+11x-3=12+(-33)=-21=tn
Sn=n/2x(tn+t1)
=S12=12/2 x(-21 +12)
=6 x -9
=-54
To find the sum of the first 28 terms of an arithmetic sequence, you need the first term (a) and the common difference (d). The formula for the sum of the first n terms (S_n) of an arithmetic sequence is S_n = n/2 * (2a + (n - 1)d). Once you have the values of a and d, plug them into the formula along with n = 28 to calculate the sum.
That's an arithmetic sequence.
No. An 'arithmetic' sequence is defined as one with a common difference.A sequence with a common ratio is a geometricone.
The nth term of an arithmetic sequence = a + [(n - 1) X d]
The sequence is arithmetic if the difference between every two consecutive terms is always the same.
a1=2 d=3 an=a1+(n-1)d i.e. 2,5,8,11,14,17....
To find the sum of the first 28 terms of an arithmetic sequence, you need the first term (a) and the common difference (d). The formula for the sum of the first n terms (S_n) of an arithmetic sequence is S_n = n/2 * (2a + (n - 1)d). Once you have the values of a and d, plug them into the formula along with n = 28 to calculate the sum.
That's an arithmetic sequence.
arithmetic sequence
No, the Fibonacci sequence is not an arithmetic because the difference between consecutive terms is not constant
No. An 'arithmetic' sequence is defined as one with a common difference.A sequence with a common ratio is a geometricone.
The nth term of an arithmetic sequence = a + [(n - 1) X d]
The sequence is arithmetic if the difference between every two consecutive terms is always the same.
49
Arithmetic Sequence
An arithmetic sequence.
To find the number of terms in the arithmetic sequence given by 1316197073, we first identify the pattern. The sequence appears to consist of single-digit increments: 13, 16, 19, 20, 73. However, this does not follow a consistent arithmetic pattern. If the sequence is intended to be read differently or if there are specific rules governing its formation, please clarify for a more accurate answer.