Solve:

(a) (b)


(c) (d)


(e) (f)


(g) (h)


(i) 3-

(a)


We have,



=


=


=


(b)


We have,



=


=


(c)


We have,



=


=


(d)


We have,



=


=


= 1


(e)


We have,



=


=


=


(f)


We have,



=


=


= 1


(g)


We have,



=


=


=


(h)


We have,



=


=


(i) 3-


We have,



= –


=


=


21