Question

a) what is the common difference of the arithmetic sequence x-1,x,x+1,..........? b)If x-1 is an even number,which is the next even number?

Answer 1

Answer:

Step-by-step explanation:

the common difference of the sequence is 1

then it can be considered as  natural numbers

so in the natural numbers odd and even numbers are alternative

so if x-1 is even then x+1 is the next even number

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Answer 2

Answer:

a) 1

b) 1

Step-by-step explanation:

a) x - x + 1 = 1

b) Let x = 1 then even number be 0. The next number be 1.