Question

9a^2 - 12a + 4=______
a....(a+2)^2
b....(a-2)^2
c ....(3a+2)^2
d....(3a-2)^2​

Answer 1

ANSWER

The numbers are in the form of (a-b)².

now,

= 9a² - 12a + 4

= (3a)² - 2×3×2 + (2)²

= (3a - 2)²

So , the correct option

a....(a+2)^2

b....(a-2)^2

c ....(3a+2)^2

d....(3a-2)^2. ☑️☑️✔️