A positive real number is 1 more than its reciprocal. Find the number:

Question

A. [1-sqrt(5)]/2

B. 2

C. [1+sqrt(5)]/2

D. No solution

Answer 1

A positive real number is 1 more than its reciprocal. Find the number:

A. [1-sqrt(5)]/2

B. 2

C. [1+sqrt(5)]/2

D. No solution

N = 1/N + 1 or N^2 - N - 1 = 0

From this derives N = (1 + sqrt5)/2

Answer 2

1.6