Perform the Indicated Operations $$\frac { 2 a b } { a ^ { 2 } - b ^ { 2 } } - \frac { b } { a - b } + 7$$

question 526

Multiple Choice

Perform the indicated operations.
- $$\frac { 2 a b } { a ^ { 2 } - b ^ { 2 } } - \frac { b } { a - b } + 7$$

• A) \(\frac { 7 a + 8 b } { a ^ { 2 } - b ^ { 2 } }\)
• B) \(\frac { ( a - b ) ( 7 a + 8 b ) } { a 2 - b ^ { 2 } }\)
• C) \(\frac { 7 a + 8 b } { a + b }\)
• D) \(\frac { 2 a b - b + 7 } { a + b + 1 }\)

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Definitions:

Social Cognition Module

A presumed specialized brain mechanism or cognitive system that facilitates understanding, predicting, and processing social information.

Theory of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions—to oneself and others and to understand that others have beliefs, desires, and intentions that are different from one's own.

Autobiographical Memory

refers to an individual's memory of events and experiences from their own life, forming a personal history.

Memory Capacity

The amount of information that an individual can store in their memory system over short-term or long-term periods.