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Which of the following is an infinite series?A) 3, –6, 12, –24, 48B) 2 − 6 + 18 − 54 + . . .C) 3, 13, 23, 33, . . .D) 4 + 8 + 16 + 32

Sagot :

SOLUTION

An infinite series is the sum of an indefinitely many numbers related in a given way. That is the addition of such number is continuos. So our answer should be between

B) 2 − 6 + 18 − 54 + . . . and



C) 3, 13, 23, 33, . . .

But, looking at both, C) is a sequence showing ordered list of numbers.

Hence B) is a showing series showing sum of a list of numbers or showing multiplication pattern.

Therefore, the correct answer is option B.