Given that the numbers in 23 the rows and columns, of the following board, are in arithmetic progression, find the value of X. 64 (A) 77 |(B) 78 101 |(C) 79 An arithmetic progression is a sequence of numbers such that each term of the sequence can be obtained from the preceding number adding a fixed quantity. For example, the 2, 5, 8, 11, 14,.., 3n-1,... formed an arithmetic progression. |(D) 80

Q: Find the common difference of the arithmetic sequence –6, –13, –20, ...

A: Question is solvled.

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Q: Use an=a1+(n-1)d and gn=g1re-1 to find: the 59th term of the arithmetic sequence 20, 16, 12, 8 . .…

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A: Solution

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A: you can clearly understand if you follow the below solution

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