book
Maths Puzzle
Numerical Ability
please help me perform the indicated operation and simplify
-8x + 6 over x plus -6x + 5 over 8x
and
x over x^2-16 minus 5 over x^2+5x+4
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book Other Question
If 4^(1/5) = x, then
a. x * x * x * x * x = 4
b. 1/(x * x * x * x * x) = 4
c. 4 * 4 * 4 * 4 * 4 = x
d. 1/(4 * 4 * 4 * 4 * 4) = x
Factor:
ab + 7b - 3a - 21