Math, asked by Anonymous, 3 months ago

(3x + ky + z)2 = 9x2 + k2y2 + z2 - 12xy - 4yz + 6xz

What is k?

1. 1
2. -1
3. 2
4. -2

Answers

Answered by param1731

1

Answer:

4 option is your answer

answer is -2

Attachments:

Answered by wasifansari788815

0

Answer:

k is 2

Step-by-step explanation:

I cant explain properly hear

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