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Grade: 11

                        

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

4 years ago

Answers : (2)

SAHIL
3783 Points
							
NO NO DEAR FRIEND
WE 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 ROOT
MOREOVER IF YOU HAVE STUDIED BODMASS RULE IN PREVIOUS CLASSES YOU MUST KNOW THAT MULTIPLICATION IS SOLVED BEFORE SOLVING UNDER ROOT
PLEASE POST IF STILL UNCLEAR
THANKS
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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