Question:
Sum of a number and its reciprocal is 2. Then what is the number ?
A1
B2
C3
D4
Answer:
A. 1
Explanation:
If the number is X X + 1/X = 2 X² + 1 = 2X X² - 2X + 1 = 0 X = 1
Related Questions:
Question:
A1
B2
C3
D4
Answer:
If the number is X X + 1/X = 2 X² + 1 = 2X X² - 2X + 1 = 0 X = 1
Related Questions: