Tuesday, 5 March 2013

Pg 46 qn 4 of math notes

Qn 3a: 2n and 2+n are not equal unless n is 2. Qn 3b: 2n and n2 are not equal unless n is 2. Qn 3c:2n+2 and 2(n+2) are not equal because 2(n+2) will be 4n+4. Qn 3d: 2n2 and (2n)2  are not equal as (2n)2  is 4n2.

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