Suggest a suitable physical situation for each of the following graphs (Fig 3.22):

Use a suitable identity to get each of the following products (x+3)(x+3)

Use a suitable identity to get each of the following products (2y+5)(2y+5)

Use a suitable identity to get each of the following products (2a -7) (2a - 7)

Use a suitable identity to get each of the following products (-a+c)(-a+c)

Use a suitable identity to get each of the following products (6x -7) (6x + 7)

Use a suitable identity to get each of the following products (3a -frac(1)(2))(3a -frac(1)(2))

Use a suitable identity to get each of the following products (a^2 + b^2)(-a^2 + b^2)

Use a suitable identity to get each of the following products (7a-9b)(7a-9b)

Use a suitable identity to get each of the following products (1.1m-0.4)(1.1m + 0.4)

Use a suitable identity to get each of the following products (frac(x)(2) + frac(3y)(4)) (frac(x)(2) + frac(3y)(4))