Ask
your own question, for FREE!
Mathematics
3 Online
-1 in a square root sign with the negative outside
Still Need Help?
Join the QuestionCove community and study together with friends!
\[-\sqrt{-1}=-(i)=-i\]
no the one doesn't hav a negative inside the square root
\[-\sqrt{1}=-(1)=-1\]
really thats it?
yep lol
Still Need Help?
Join the QuestionCove community and study together with friends!
wow im dumb
also \[\sqrt{3} - 7\sqrt{3}\]
\[\sqrt{3}(1-7)=?\]
what?
1-7=?
Still Need Help?
Join the QuestionCove community and study together with friends!
answer it
-6
so \[-6\sqrt{3}\]
thanks
also \[2\sqrt{5}-3\sqrt{45}\]
Still Need Help?
Join the QuestionCove community and study together with friends!
rewrite the sqrt(45) as sqrt(9*5) and go from there
\[2\sqrt{5}-3\sqrt{5*9}=2\sqrt{5}-9\sqrt{5}=-7\sqrt{5}\]
wouldnt the 9 be 3 cause three is the sqrt of 9
makin it -1sqrt5
\[-1\sqrt{5}\]
Still Need Help?
Join the QuestionCove community and study together with friends!
\[\sqrt{9}=3\] \[3*3=9\]
where did the second three come from?
sorry chels i was doing another problem
its ok
hes just showing you why \[\sqrt{9}=3\]
Still Need Help?
Join the QuestionCove community and study together with friends!
ok so the answer is\[-7\sqrt{5}\]?
yes
ok thanks everyone on this
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
Breathless:
I don't know if this would be considered art, but its close enough I believe, Any
17 hours ago
6 Replies
0 Medals
3 days ago
12 Replies
2 Medals
2 weeks ago
2 Replies
0 Medals
3 weeks ago
2 Replies
1 Medal
1 week ago
6 Replies
2 Medals
3 weeks ago
6 Replies
1 Medal
3 weeks ago
3 Replies
0 Medals
3 weeks ago
0 Replies
0 Medals
4 weeks ago
3 Replies
0 Medals