Asked by Sarah
Perform Operations with Complex Number:
Solve the equation.
x^2+121=0
Solve the equation.
x^2+121=0
Answers
Answered by
drwls
This is not about trigonometry.
x^2 = -121
x = the square root of -121.
x^2 = -121
x = the square root of -121.
Answered by
Reiny
x^2 = -121
x = ± 11i
x = ± 11i
Answered by
Sarah
sorry, i just wanted a check for my solutions of these two questions:
x^2+9=14
Solution:}ã5
2x^2+18=-72
Solution:}3iã5
x^2+9=14
Solution:}ã5
2x^2+18=-72
Solution:}3iã5
Answered by
Sarah
sorry. the solutions dont't come up the way I posted it.
But for first question:
x= + and - square root of 5
For the second question:
x= + and - 3i square root of 5
But for first question:
x= + and - square root of 5
For the second question:
x= + and - 3i square root of 5