Find The Common Difference Of The Arithmetic Sequence With A 4=10 And A 11 =45?

Find the common difference of the arithmetic sequence with a 4=10 and a 11 =45?

Answer:

d=5

Step-by-step explanation:

d   = \frac{a _{n} - a _{k} }{n - k} \\ d =  \frac{45 - 10}{11 - 4}  \\ d =  \frac{35}{7}  \\ d = 5


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