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Mathematics Past Questions and Answers

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Mathematics Questions

Question 4826:

\(x^{2}-3 x^{4}+4 x-12=0\) if \(x=\)

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A 4
B 3
C 2
D \(-8\)

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Question 4827:

Simplify \(\frac{a-b}{a+b}-\frac{a+b}{a-b}\)

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A \(\frac{-4 a b}{a^{2}-b^{2}}\)
B \(\frac{a^{2}}{a^{2}-b^{2}}\)
C \(\frac{b^{2}}{(a-b)^{2}}\)
D \(\frac{4 a b}{a^{2}-b^{2}}\)

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Question 4828:

If opposite sides of a quadruple are equal then it is a ____________

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A Square
B Trapezoid
C Parallelogram
D Rhomboid
E No such quadruple

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Question 4829:

The sum of even numbers from 12 to 18 is ____________

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A 80
B 40
C 70
D \(60 \quad\)
E 90

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Question 4830:

The sum of powers of 3 starting from power 2 is 117 . Then the number of added powers is ____________

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A 4
B 2
C 3
D 5
E 1

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