Math, asked by Anonymous, 1 year ago

why every under root no . like √4 give two ans that is 2,-2


Anonymous: Because both +ve and -ve square to the same +ve
shana81: bcoz the square of both 2 and -2 will give us 4 so thats the answer

Answers

Answered by Bhanumaster
1
huh,,,, how many question u gonna ask ? 
Btw , ans is  

that square of 2 means 2 x 2 gives 4 and square of -2 that is -2 x -2 is also 4 
thats why it gives two answers

Anonymous: thnksx and i will ask till i have single breadth left and atleast 10 points left , lol
Bhanumaster: ehhh
Answered by Ujjwal2018
0
When you square 2 it becomes positive no matter what it was before; then, when you take the square root, it's still positive. Therefore, the answer is just |2| , not +-2

Hope this will help you!!!
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