Let u=u(x, y), where x=x(s, t) and y=y(s,t) and assume that these functions have con- tinuous second partials. Show that d’u_ d*u (dx)2 du dxdy , du ds2 dx² \as du dx dx ds² du d²y +2- дхду дs дs ду? (дs dy ds²

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A: We can find the value of b in the following step

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A: here differentiate both sides with respect to x.

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A: Answer : 47

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A: topic - indefinite integral

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.