Math, asked by vedantkudale4437, 6 months ago

(m+2n+3r)² = m² + 4n² + 9r² + 4mn + ___+ 6mr ​

Answers

Answered by himanshu4515
1

Answer:

12nr

is the answer

use identity (x+y+z)=x²+y²+z²+2xy+2xz+2yz

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