Find $\bigcup _ { i = 1 } ^ { + \infty } [ - 1 / i , 1 / i ]$

question 190

Short Answer

Find $\bigcup _ { i = 1 } ^ { + \infty } [ - 1 / i , 1 / i ]$

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Definitions:

Synthesize

The chemical process of combining two or more entities to form a new compound.

Cyclohexene

A cyclic hydrocarbon with the formula C6H10, characterized by a single carbon-carbon double bond within a six-membered ring.

Crossed-aldol Product

A compound formed from the condensation reaction between two different aldehydes or ketones under basic or acidic conditions, leading to a β-hydroxyaldehyde or β-hydroxyketone.

Benzaldehyde

An organic compound consisting of a benzene ring with an aldehyde functional group; used as a precursor in the synthesis of various chemicals.