(1)
\Step 1:
\The function is
.
Apply derivative on each side with respect to x.
\
Difference rule of derivative :
.

Chain rule of derivative :
.
Derivative of exponential function :
.

.
Solution :
\
.
\
(2)
\Step 1:
\The function is
.
Rewrite the function.
\
Apply derivative on each side with respect to x.
\

.
Solution :
\
.
\
(3)
\Step 1:
\The function is
.
Apply derivative on each side with respect to t.
\

.
Solution :
\
.
\
(4)
\Step 1:
\The function is
.
Rewrite the function.
\
Apply derivative on each side with respect to x.
\

.
Solution :
\
.
\
(5)
\Step 1:
\The function is
.
Apply derivative on each side with respect to x.
\
Quotent rule of derivative :
.

.
Solution :
\
.
\
(6)
\Step 1:
\The function is
.
Apply derivative on each side with respect to a.
\
Quotent rule of derivative :
.

.
Solution :
\
.