Discuss Forum

1. x+1x=2

  • A. 2
  • B. 2
  • C. 2
  • D. 2

Answer: Option C

Explanation:

x + (1/x) = 2 বা, x² + 1 = 2x বা, x² - 2x + 1 = 0 বা, (x - 1)² = 0 বা, x - 1 = 0 ∴ x = 1 এখন, x/( x² + x - 1) = 1/ (1² + 1 - 1) = 1/1 = 1

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.