x + 1/x = 7. What is the value of x² + 1/x²?

x + 1/x = 7. What is the value of x² + 1/x²?

a) 14
b) 21
c) 51
d) 49

From the Combined Bank Officer (IT) January 2026 – Written (BIBM) exam, question 81 of 115.

More from this paper

Previous: A box has height 2 m, length 10 m, and width 7 m, with the top lid open. What is the surface area of the box?
Next: Which two values of x satisfy the equation (x + 3)² = x + 5?
All questions in Combined Bank Officer (IT) January 2026 – Written (BIBM)