   
1.    ℎ 3 :−
2. :−
   6 () = 2
(
 + ℎ + ℎ
)
   5  = 2
(
+
)
ℎ + 
   4 () = 2
(
+
)
ℎ
   =
+
+ ℎ
   =ℎ
3. :−
    6 () = 6
    5  = 5
    4 () = 4
   = √3
   =
ℎ
4. :−
  ℎ 2  =2
(
+ ℎ
)
  ℎ 1  =
(
2ℎ +
)
  ℎ 0  =2ℎ
   =
ℎ
5. :−
   ℎ 1  =( + )
   ℎ 0  =
   =
1
3
ℎ
=ℎ
+
6. ℎ:−
 ℎ =4
  ℎ =
4
3
7.  ℎ:−
 ℎℎ ℎ ℎ  =3
  ℎℎ ℎ  =2
  ℎ ℎ =
2
3

8. :−
   ℎ ℎ 2  = 
(
+
)
+
(
−
)
  ℎ ℎ 1  = 
(
+
)
+
/
  ℎ ℎ 0  = 
(
+
)
   =
1
3
ℎ
(
+
+
)
=ℎ
+
(
−
)
l