3 years ago

Find the 250th term of the sequence below 57, 66, 75, 84, 93

1 answer:

4 0

Hello :
93-84 =84-75 = 75-66 = 66-57 = 9 ...( common diference of arithmetic sequence )
Un = U1 + (n-1)d d= 9 and U1 = 57 n = 250
U250 = 57 +249(9) = 2298

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