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astra-53 [7]
3 years ago
13

What are the solutions of x^2 + 121 = 0?

Mathematics
2 answers:
dlinn [17]3 years ago
5 0
The answer would be D. -11i and 11i
Novosadov [1.4K]3 years ago
4 0
To solve this question you need to set up the equation and simplify
x^2 +121 = 0     you need to get the x^2 by itself so subtract 121
x^2 = -121   Now take the square root of both sides. but you can;t take the square root of a negative number which is where the i comes into play. 
 x= + -  11 i 


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