Discuss Forum

1. 16x2-56xy+49y2

  • A. 204
  • B. 204
  • C. 204
  • D. 204

Answer: Option C

Explanation:

16x² - 56xy + 49y²

= (4x)² – 2.4x.7y + (7y)²

= (4x - 7y)²

= (4.5 - 7.2)²

= (20 - 14)²

= (6)²

= 36.


Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.