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```
Why can't we write √2=(-√2) Because,as my point of view,,, √2 =√[(-)×(-)×2] =√(-)²×2 =(-)√2 =-√2 😕
Why can't we write √2=(-√2)Because,as my point of view,,,√2=√[(-)×(-)×2]=√(-)²×2=(-)√2=-√2😕

```
4 years ago

SAHIL
3783 Points
```							NO NO DEAR FRIENDWE NEVER WRITE – SIGN IN BETWEEN THE ROOT. ALTHOUGH WE KNOW CONCPT OF COMPLEX NUMBERS BUT WHEN YOU DO FUNCTIONS IN CLASS 12 YOU WILL COME TO KNOW THAT WE CANNOT WRITE –  SIGN IN BETWEEN UNDER ROOTMOREOVER IF YOU HAVE STUDIED BODMASS RULE IN PREVIOUS CLASSES YOU MUST KNOW THAT MULTIPLICATION IS SOLVED BEFORE SOLVING UNDER ROOTPLEASE POST IF STILL UNCLEARTHANKS
```
4 years ago
Shreyas Patil
132 Points
```							Hey bro if your are in class 11 then you must have studied the chapter complex nos. There you will get the answer to your question. the – sign in the root is denoted by i. And the (-1)*(-1) will become 1. you wont understand it here, you will need to quick view in the complex no. chapter.
```
4 years ago
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### Course Features

• 731 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions