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Answer:
a) (0,0)
b) semi perimeter of the triangle
c) (n/2)th term +(n/2+c)th term /2
d) if the sum of first p terms of an AP is equal to the sum of first q terms then shows that the sum of its first (p+q) term is zero
e) x3-3x2y + 3xy2-y3
f) Primary data is a type of data that is collected by researchers directly from main sources through interviews, surveys, experiments, etc. Primary data are usually collected from the source—where the data originally originates from and are regarded as the best kind of data in research.
g) An x-coordinate is the first element in an ordered pair. ... Another name for the x-coordinate is the abscissa. Note: The y-coordinate or ordinate represents the directed distance of the point from the x-axis.
h) 60
j) Examples of polynomials are; 3x + 1, x2 + 5xy – ax – 2ay, 6x2 + 3x + 2x + 1 etc. A cubic equation is an algebraic equation of third-degree. The general form of a cubic function is: f (x) = ax3 + bx2 + cx1 + d.