Question

Please elaborate the answer, Question:- Solve (3k)²+(-k)²​

Answer 1

(3k)^2 + (-k) ^2

9k^2 - k^2

8k^2

Answer 2

Answer:

(3k)²+(-k)²

[(3k×3k)=(3k)²]for you

therefore

9k²+k²=0 (-k × -k = +k²)

10k²=0

k²=o/10

k²=infinite (anything dividend by 0=infinite)

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