(p- 1/11) (p+1/11) = would it be 0?
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Originally Posted by mathdummy22 (p- 1/11) (p+1/11) = would it be 0? Here's your model: $\displaystyle (a - b)(a + b) = a^2 - b^2$
would it be (p - 1/11)^2 - (p-1/11)^2 ??
Originally Posted by mathdummy22 would it be (p - 1/11)^2 - (p-1/11)^2 ?? No, it would be: $\displaystyle \left(p-\frac{1}{11}\right)\left(p+\frac{1}{11}\right)=p^2-\left(\frac{1}{11}\right)^2=p^2-\frac{1}{121}$
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