Write the arithmetic sequence that has four arithmetic means between -20 and 20. Solution:- The rule of arithmetic sequence {a, a+d, a+2d, a+3d, … } a =…
Tag: arithmetic sequence
Problem 637
What is the 20th term of the following arithmetic sequence? Solution:- We know an = a1 + (n -1)*d , Where an = finding term , a1 =…
Problem 634
What is the 25th term in the following arithmetic sequence? -7, -2, 3, 8, … Solution:- We know an = a1 + (n -1)*d , Where an =…
Problem 633
What are the next four terms in the following arithmetic sequence? -7, -2, 3, 8, … Solution:- First we find the value of d = -2 – (-7)…
Problem 632
What is the d value in the following arithmetic sequence? -7, -2, 3, 8, … Solution:- The value of d = second term – first term d = -2 –…
Problem 599
Find the sum. 1 + 6 + 11+ ……+(5n – 4) Solution :- We are given an arithmetic sequence. The first last terms of this sequence are…
Problem 589
Find the 10th term of an arithmetic sequence if t1 = 2.1 and t4 = 1.83. Solution:- 1.83 = 2.1+(4-1)d d = -0.09 n10th = 2.1+(10-1)*(-0.09) n10th = 1.29
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