Question

Self practice 5H
1. Find the squares of the following binomials
(a) a + 4
(b) 3a + 1
(e) 3ab + 20
(f) 2xy + 722
2. (a) k-7
(b) 5y-1
(e) 5mn - 22
(f) 3x2 - 42​

Answer 1

Answer:

1. a)a^2+16+8a

b)9a^2+1+6a

c)9a^2b^2+400+120ab

d)4x^2y^2+521284+2888xy

2. a)k^2+49-14k

b)25y^2+1-10y

c)25m^2n^2+484+220mn

d)9x^4+1764-252x^2

Step-by-step explanation:

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