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Mathematics and computing assignment help
1. Mathematics,
computing
assignment
help
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2. Basic knowledge
Natural numbers: numbers starting from
1 are natural numbers. 1,2,3,4,
………………
Whole numbers: numbers starting from
0 are whole numbers. 0,1,2,3,4,
…………………….
Integers: whole numbers + negative
numbers are integers.
…………..,-2,-1,0,1,2,……………
Rational numbers: numbers that can be
expressed in the form of p/q where q≠0
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3. Sets
Sets is a well defined collection of
objects.
SUBSETS: a Set A is said to be subset of
a set B if every element of A is also an
element of B.
A
B A=B
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4. OPERATIONS ON SETS
UNION: The union of A and B is
the set which consist of all the
elements of A and B
AUB
-A
A u B= A +B
intersection B
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5. INTERSECTION: It is the set of all the
elements which are common to both A
and B
NO
INTERSECTION
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19. Geometry
circle: it is set of all points that are
equidistant from a fixed point in the
plane.
centre
equation:
(x-j)2 + (y-k)2 =
r2
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20. Parabola: a parabola is the set of all
points in a plane that are equidistant
from a fixed line and a fixed point in the
plane.
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