Solution 3.1:1b

From Förberedande kurs i matematik 1

(Difference between revisions)
Jump to: navigation, search
Current revision (07:35, 30 September 2008) (edit) (undo)
m
 
Line 1: Line 1:
-
The expression
+
The expression <math>\sqrt{7^{5}}</math> can be written as <math>(7^{5})^{1/2}</math>
-
<math>\sqrt{\text{7}^{\text{5}}\text{ }}</math>
+
and then the power rules give that this is equal to <math>7^{5\cdot \frac{1}{2}} = 7^{5/2}</math>.
-
can be written as
+
-
<math>(\text{7}^{\text{5}})^{\text{1}/\text{2}}\text{ }</math>
+
-
and then the power rules give that this is equal to
+
-
 
+
-
<math>7^{5\centerdot \frac{1}{2}}=7^{{5}/{2}\;}</math>
+

Current revision

The expression \displaystyle \sqrt{7^{5}} can be written as \displaystyle (7^{5})^{1/2} and then the power rules give that this is equal to \displaystyle 7^{5\cdot \frac{1}{2}} = 7^{5/2}.

Retrieved from "http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-ImperialCollege/index.php/Solution_3.1:1b"