Discuss Forum

1.

(x + 3) (x - 3) = 16 হলে, x এর মান কত?

  • A. 16
  • B. 16
  • C. 16
  • D. 16

Answer: Option C

Explanation:

দেওয়া আছে,x+3x-3=16⇒x2-32=16⇒x2=16+9⇒x2=25∴x=5

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.