Index
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Prove the following identities-
-
b
c
b
2
+
b
c
c
2
+
b
c
a
2
+
a
c
-
a
c
c
2
+
a
c
a
2
+
a
b
b
2
+
a
b
-
a
b
=
a
b
+
b
c
+
c
a
3
Matching exercise
Match the items on the right to the items on the left.
Check
OK
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Step 9