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12) In the expansion of (1 +x)22 which term is the middle term
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By Mary

12) In the expansion of (1 +x)22 which term is the middle term
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About the author
Mary

The perimeter of a regular pentagon is 110 m. The length of the side is___

(a). 20m

(b). 22m

(c).

Find the common factors of the following terms: 25×2

y, 30xy2
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