Q1.Differential equations are equations containing functions y = f(x), g(x) and
Answer : Option CExplaination / Solution:
Differential equations are equations containing functions y = f(x), g(x) and derivatives of y with respect to x.
Answer : Option DExplaination / Solution:
a line when intersect another line or axis two kind of angle form ,as an assumption we take positive side of axis, to define the direction of line we take angle made from all three axis.and we take cos not other trigonometric function like sin,tan because we can define Direction cosines of a line are coefficient of i,j,k of a unit vector along that line.
Q7.A linear programming problem is one that is concerned with
Answer : Option DExplaination / Solution:
A linear programming problem is one that is concerned with finding the optimal value (maximum or minimum) of a linear function of several variables .