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Question

When 7xy+5yz3zx, 4yz+9zx4y and 3xz+5x2xy are added, we get 5xy+9yz+3zx+5x4y.


  1. True

  2. False


Solution

The correct option is A

True


7xy+5yz3zx4yz+9zx4y + 2xy3xz+5x
= (7xy2xy) + (5yz+4yz) + (3zx+9zx3zx)+ 5x 4y

= 5xy+9yz+3zx+5x4y.

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