C-03-Q217mediumsingle_mcqFactor of p2−164p^2 - \dfrac{1}{64}p2−641:a(p−18)(p+18)\left(p - \dfrac{1}{8}\right)\left(p + \dfrac{1}{8}\right)(p−81)(p+81)b(p−8)(p+8)(p - 8)(p + 8)(p−8)(p+8)c(p2−18)\left(p^2 - \dfrac{1}{8}\right)(p2−81)d(p+164)(p−164)\left(p + \dfrac{1}{64}\right)\left(p - \dfrac{1}{64}\right)(p+641)(p−641)ব্যাখ্যাThis is a difference of squares since 164=(18)2\dfrac{1}{64} = \left(\dfrac18\right)^2641=(81)2. Thus p2−164=(p−18)(p+18)p^2 - \dfrac{1}{64} = \left(p-\dfrac18\right)\left(p+\dfrac18\right)p2−641=(p−81)(p+81).