Use the difference of squares method to factorize 4819.

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- Mar 31st 2010, 08:59 AMmeshel88Difference of squares
Use the difference of squares method to factorize 4819.

- Mar 31st 2010, 10:41 AMSoroban
Hello, meshel88!

Quote:

Use the difference of squares method to factor 4819.

I'm not familiar with the "difference of squares method",

. . but I solved it anyway . . .

I saw that: .$\displaystyle 4819 \;=\;4900 - 81 \;=\;70^2 - 9^2$

Therefore: .$\displaystyle 4819 \;=\;(70-9)(70+9) \;=\;61\cdot79$

Is that the method?