What is the result when (7x + 2y) is multiplied to (7x – 2y)? A. 14x² - 4y² B. 14x² + 4y² C. 49x² - 4y² D. 49x² + 4y² 2. Which of the following expressions, when simplified, is equal to 1? A. 5²/5⁰ B. 0²⁵ C. (7x⁰)¹ D. (700x⁵)⁰

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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1. What is the result when (7x + 2y) is multiplied to (7x – 2y)?
A. 14x² - 4y²
B. 14x² + 4y²
C. 49x² - 4y²
D. 49x² + 4y²

2. Which of the following expressions, when simplified, is equal to 1?
A. 5²/5⁰
B. 0²⁵
C. (7x⁰)¹
D. (700x⁵)⁰

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