Find the Second Term in the Expansion Of $\left( x ^ { 2 } - \frac { 1 } { x } \right) ^ { 50 }$

question 72

Essay

Find the second term in the expansion of $\left( x ^ { 2 } - \frac { 1 } { x } \right) ^ { 50 }$

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Definitions:

Megaspore

Of seed plants, haploid spore that forms in an ovule and gives rise to an egg-producing gametophyte.

Integuments

Protective layers of tissue covering the body of an organism, such as skin in humans and other animals or seed coats in plants.

Embryo Sac

The female gametophyte within the ovule of a flowering plant, containing the egg cell for fertilization.

Circadian Rhythm

A biological activity that is repeated about every 24 hours.