Question

pls help with these questions ​

Answer 1

Step-by-step explanation:

all the question we will use same identity , i.e. ,

$(a + b)^{2} = {a}^{2} + 2ab + {b}^{2}$

Q1

1. 16a^2 + 72a +81

2. 9x^2 + 60xy +100y^2

3. 2m^2 + 2√6 mn + 3n^2

Q2

1. 4a^4 + 12ba^2 + 9b^2

2. 9x^4y^2 + 6yzx^2 +z^2

3. 4x^2+2x+1/9x

Q3

1. 4/25 x^2+2/3 xy+25/36y^2
2. x^4+36x^2+324/9x^2
3. 36x^2+60x+25/x2

please follow!