Question

1. Using appropriate identities, find the following products :
2
х
(i) (7x + 2y) (7x + 2y)
li)
+y
2
2
(iv) (x - 5) (x + 8)
(v) (x - 5y) (x - 7y)
2
2
Cori (****)(** 3
3x
(vii)
3x +
2
& 1
X​

Answer 1

Step-by-step explanation:

1. Using appropriate identities, find the following products :

2

х

(i) (7x + 2y) (7x + 2y)

li)

+y

2

2

(iv) (x - 5) (x + 8)

(v) (x - 5y) (x - 7y)

2

2

Cori (****)(** 3

3x

(vii)

3x +

2

& 1

X