Problema Solution
Find a number such that subtracting its reciprocal from the number gives 7/12.
Answer provided by our tutors
Let the number be "x".
EQUATION:
x-(1/x) = 7/12
Multiply both sides by 12x to get:
12x^2-12=7x
12x^2-12x-7=0
by using quadratic formula,
x = (1/2)+-(sqrt(5/6)) ans