Find the Fifteenth Term Of $(x+2 y)^{20}$ Where $x^{20}$ Is Labelled the Zeroth Term

question 15

Short Answer

Find the fifteenth term of $(x+2 y)^{20}$ where $x^{20}$ is labelled the zeroth term.

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Definitions:

Arched Feet

A foot structure characterized by a pronounced curve along the inside of the sole, which typically enhances balance and support.

Opposable Big Toe

A distinct anatomical feature where the big toe can touch the other toes, aiding in gripping and manipulation of objects, seen in some primates.

Hominoid Fossil

Ancient remains or imprints of hominids and apes, crucial for understanding human evolution and the lineage of primates.

Human Evolutionary Line

The lineage leading to modern humans, detailing the biological and chronological development of human species over millions of years from primordial ancestors.