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About LinkBacksPlease help me answer both of these questions. Thank you
1a) Find the real and complex roots of:Originally Posted by norivea
Please help me answer both of these questions. Thank you
This has three roots, one real corresponding to the first factor; sois a root.
The other two roots are the roots of the second factor, these may
be found using the quadratic formula, which gives in this case:
RonL
1b) Find the real and complex roots of:Please help me answer both of these questions. Thank you
given thatis a root.
A cubic with real coefficients always has at least one real root, and
complex roots occur in conjugate pairs. So both
are roots. Also:
whereis real, and so easily found to be
,
so the remaining root is.
RonL
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