Page 31 - More Higher algebra
P. 31
=
The only viable solution is 1 + √2 = 2.414. To
confirm the result use SOLVE on your fx calculator.
The original equation is,
2
= log( ) − log( − 1) + 2 log( − 1)
The keystrokes are,
w1gQ(X))pgJ(X)dp1)
+2gJ(X)p1)Q(=)0q(SOLVE)
Sole for X 1=
A plot of the function is given on the next page which
shows the location of the root at x = 2.414,
27
