ABC26GN0829 · Simplification

Subject: General Aptitude · Chapter: Simplification · Exam: · Marks: · Difficulty:

If = 1, then find the value of x. 1 1+ x 1+ 1− x 2x 2x 2x

Answer

Answer (as printed):

Explanation

We have : =1⇔ =1⇔ =1 1 1 1 + (1 − x ) 1+ 1+ (1 − x) + x [1/(1 − x)] 1− x 2 ⇔ 2x = 2 − x ⇔ 3x = 2 ⇔ x = . 3 3x 21

Explanation as extracted from the printed page; notation may be imperfect.