EduSahara™ Assignment
Name : Algebraic Identities
Chapter : Algebraic Expressions and Identities
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
(
a
+
b
)
2
(i)
(
a
2
+
2
a
b
+
b
2
)
(ii)
(
2
a
b
+
b
2
)
(iii)
(
a
2
+
4
a
b
+
b
2
)
(iv)
(
a
2
−
a
b
+
b
2
)
(v)
(
2
a
2
+
2
a
b
+
b
2
)
Question
2
2.
(
a
−
b
)
2
(i)
(
a
2
−
4
a
b
+
b
2
)
(ii)
(
2
a
2
−
2
a
b
+
b
2
)
(iii)
(
−
2
a
b
+
b
2
)
(iv)
(
a
2
+
a
b
+
b
2
)
(v)
(
a
2
−
2
a
b
+
b
2
)
Question
3
3.
(
a
+
b
)
(
a
−
b
)
(i)
(
2
a
2
−
b
2
)
(ii)
(
a
2
−
b
2
)
(iii)
(
a
2
+
b
2
)
(iv)
(
−
b
2
)
(v)
(
a
2
−
4
b
2
)
Question
4
4.
(
4
a
+
b
)
2
(i)
(
17
a
2
+
8
a
b
+
b
2
)
(ii)
(
15
a
2
+
8
a
b
+
b
2
)
(iii)
(
16
a
2
+
8
a
b
+
b
2
)
(iv)
(
16
a
2
+
5
a
b
+
b
2
)
(v)
(
16
a
2
+
11
a
b
+
b
2
)
Question
5
5.
(
a
+
4
b
)
2
(i)
(
2
a
2
+
8
a
b
+
16
b
2
)
(ii)
(
a
2
+
8
a
b
+
16
b
2
)
(iii)
(
8
a
b
+
16
b
2
)
(iv)
(
a
2
+
6
a
b
+
16
b
2
)
(v)
(
a
2
+
10
a
b
+
16
b
2
)
Question
6
6.
(
−
5
a
−
4
b
)
(
−
5
a
+
4
b
)
(i)
(
25
a
2
−
18
b
2
)
(ii)
(
25
a
2
−
16
b
2
)
(iii)
(
26
a
2
−
16
b
2
)
(iv)
(
25
a
2
−
13
b
2
)
(v)
(
24
a
2
−
16
b
2
)
Question
7
7.
(
−
2
3
a
−
3
2
b
)
2
(i)
(
4
11
a
2
+
2
a
b
+
9
4
b
2
)
(ii)
(
4
9
a
2
+
4
a
b
+
9
4
b
2
)
(iii)
(
4
9
a
2
+
2
a
b
+
9
4
b
2
)
(iv)
(
4
7
a
2
+
2
a
b
+
9
4
b
2
)
(v)
(
4
9
a
2
+
9
4
b
2
)
Question
8
8.
(
3
2
a
+
3
b
)
2
(i)
(
5
2
a
2
+
9
a
b
+
9
b
2
)
(ii)
(
13
6
a
2
+
9
a
b
+
9
b
2
)
(iii)
(
9
4
a
2
+
12
a
b
+
9
b
2
)
(iv)
(
9
4
a
2
+
6
a
b
+
9
b
2
)
(v)
(
9
4
a
2
+
9
a
b
+
9
b
2
)
Question
9
9.
(
−
2
a
−
2
b
)
(
−
2
a
+
2
b
)
(i)
(
4
a
2
−
7
b
2
)
(ii)
(
5
a
2
−
4
b
2
)
(iii)
(
3
a
2
−
4
b
2
)
(iv)
(
4
a
2
−
4
b
2
)
(v)
(
4
a
2
−
b
2
)
Assignment Key
1) (i)
2) (v)
3) (ii)
4) (iii)
5) (ii)
6) (ii)
7) (iii)
8) (v)
9) (iv)
