Find the Sum of the First N Terms of the Following

question 93

Multiple Choice

Find the sum of the first n terms of the following arithmetic sequence.
- $$a _ { 1 } = 5 , d = 5 ; \quad n = 4$$

• A) 50
• B) 20
• C) 15
• D) 25

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Definitions:

Main Connective

The main connective in a logical expression is the operator that determines the overall truth value of the statement.

Atomic Components

These are the fundamental parts or elements of a larger system, often used in reference to physics or chemistry, but also applicable in various contexts.

Self-Contradictory

A declaration or claim that contradicts itself or lacks logical consistency.

Conjunction

In logic and grammar, a connective word or phrase that joins together sentences, phrases, concepts, or elements of the same logical type.