WP 34S problem in solving f'(x)=0

[Thomas Klemm]

(02-17-2015 05:55 PM)lrdheat Wrote:  Any ideas?

Maybe solve \(x^3+18x^2-44x-16=0\) instead?

Code:

LBL'FX'
# 018
+
×
# 044
-
×
# 016
-
END

Now it works using [2, 4] as interval.

Cheers
Thomas