82. Write the following in Expanded form: (9x + 2y + z)²:
a. 81x² + 4y² + z² + 36xy + 4yz + 18zx
b. 81x² + 14y² + 2z² + 6xy + 4yz + 18zx
c. 181x² + 4y² + z² + 6xy + 4yz + 18zx
d. 81x² + 14y² + z² + 136xy + 14yz + 8zx
Answers
Answered by
4
Answer:
Correct answer is option(a)
Step-by-step explanation:
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Answered by
0
Answer:
A is the answer
9x9 =81
2x2=4
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