Question

*(k - 2/3)² = ?*

1️⃣ (k²- 4k/3 - 4/9)
2️⃣ (k² - 4/9)
3️⃣ (k²- 4k/3 + 4/9)
4️⃣ (k² + 4/9) in​

Answer 1

Answer:

(k-2/3)²

k²+4/9-4k/3

k²-4k/3+4/9

hence option 3 is correct

Answer 2

Answer:

(3). (k^2 -4k/3 +4/9)

Step-by-step explanation:

by (a-b)^2 = a^2 + b^2 - 2ab

=(k^2 -4k/3 +4/9)