Which of the Following Series Are Geometric? (1) $5+5 a+5 a^{2}+5 a^{3}+\ldots$

question 22

Multiple Choice

Which of the following series are geometric? (1) $5+5 a+5 a^{2}+5 a^{3}+\ldots$
(2) $5+7 a+9 a^{2}+11 a^{3}+\ldots$
(3) $5+5 a k+5 a^{2} k^{2}+5 a^{3} k^{3}+\ldots$

• A)(1)and (2)
• B)(1)and (3)
• C)(2)and (3)
• D)(1)only
• E)(2)only

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Definitions:

Classical Conditioning

A learning process in which a biologically potent stimulus is paired with a previously neutral stimulus to elicit a response that was originally elicited by the potent stimulus alone.

Phobia

A phobia is an intense, irrational fear of specific objects, situations, or activities that leads to significant distress or impairment in daily functioning.

Classical Conditioning

A learning process through which a neutral stimulus becomes associated with a meaningful stimulus and acquires the capacity to elicit a similar response.

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United States, a country primarily located in North America comprising 50 states and a federal district.