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Question

When 7xy+5yz3zx, 4yz+9zx4y and 3xz+5x2xy are added, we get



A

5xy + 9yz + 3zx + 5x – 4y

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B

5xy + 9yz + 15zx + 5x – 4y

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C

5xy + 9yz - 3zx + 5x – 4y

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D

5xy + 9yz + 3zx - 5x – 4y

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Solution

The correct option is B

5xy + 9yz + 3zx + 5x – 4y


7xy+5yz3zx
4yz+9zx4y
2xy3xz+5x   –––––––––––––––––––
5xy+9yz+3zx4y+5x


Mathematics

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