Let
Compute each of the following (and insert appropriate parentheses to make sensible expressions):
-
;
-
;
-
;
-
;
-
.
- First, we have
means
, then we compute
- First, we have
means
, then we compute
- First, we have
means
, then we compute
- First, we have
means
, then we compute
- First, we have
means
, then we compute