SOLUTION: how do you do square roots? for example -200
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Question 421999: how do you do square roots? for example -200
Found 3 solutions by jim_thompson5910, stanbon, shree840:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
So
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Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
how do you do square roots?
for example -200
------
sqrt(-200) = sqrt(-100*2) == 10*sqrt(2)i
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Cheers,
Stan H.
Answer by shree840(260) (Show Source): You can put this solution on YOUR website!
You need to get rid of negative sign you may use i^2 which is =-1
so your problem is sq root of 200 and use i with your answer
write 200 and mark two digits from right
200 is written as
{ 2{00
now think what nowhich multiplied by it self is less than 2 answer is 1
1{2 00}
1
-
100 (we subtracted, got one and brought down 00 together
now we had 1 as divisor and 1 as quotient we add it becomes 2
24 [ 100
96
--
4 we need to go in decimal we bring down 00
28{400 28 because we added 4 to 24
281 28 and what digit which multiplied by itself is less than 400 answer is 1
our total answer is 14.1something
very confusing if you can not write properly
do not forget your i answer is 14.1i
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