# unknowns

Noun

- plural form of
*unknown*

- But questions remainedâ€”the big three
**unknowns**of who, why, and when. - Sometimes his x has to do duty twice, for different
**unknowns**, in one problem. - He first divides by the factor x -x', reducing it to the degree m - I in both x and x' where m>n; he then forms m equations by equating to zero the coefficients of the various powers of x'; these equations involve the m powers xo, x, - of x, and regarding these as the
**unknowns**of a system of linear equations the resultant is reached in the form of a determinant of order m. - The second class of cases comprises equations involving two
**unknowns**; here we have to deal with two graphs, and the solution of the equation is the determination of their common ordinates. - Simultaneous equations in two
**unknowns**x and y may be treated in the same way, except that each equation gives a functional relation between x and y.

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