Question:`x - 1/x = 4` হলে `(x + 1/x)` এর মান কত? 

A 12 
B 16 
C 18 
D 20 

+ Answer
D 

+ Explanation
`(x + 1/x)^2 `

  `= (x - 1/x)^2 + 4x. 1/x`

  `= (4)^2 + 4 = 16 + 4 = 20`

+ Report

Irin Moni

Editor, VCampus

Your Name

Your Email

Type of Report
Spelling MistakeIncorrect AnswerGrammar MistakeContent MissingImproper Text FormatInsufficient AnswerDuplicate QuestionImproper Sentence StructureImproper Equation/FormulaOther

Description