ratio of the squares of t and u

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ratio of the squares of t and u

Ratio is also known as quotient in algebraic expression problems.

The square of t means we raise t to the power of 2:
t^2

The square of u means we raise u to the power of 2:
u^2

ratio of the squares of t and u means we divide t^2 by u^2:
t^2/u^2