Discuss Forum

1. | 3 x − 15 | = 18 . What is the product of all possible values of x?

  • A. -11
  • B. -11
  • C. -11
  • D. -11

Answer: Option A

Explanation:

দেওয়া আছে,
|3x - 15| = 18
( + ) ধনাত্মক মান নিয়ে (3x - 15) = 18
⇒ 3x = 18 + 15
⇒ 3x = 33
.:. x = 11

( - ) ঋনাত্মক মান নিয়ে
- (3x - 15) = 18
⇒ 3x - 15 = - 18
⇒ 3x = - 18 + 15
⇒ 3 x = - 3
.:. x = - 1
x এর মানদ্বয়ের গুণফল = 1 1 × ( - 1)
= - 11


Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.