Q1 of 44 Page 169

Use the formula to find the factors.

729b3 – 64

729b3 – 64

(9b)3 – (4)3


Using the formula (a3 + b3) = (a – b) (a2 + ab + b2)


Here a = 9b and b = 4.


(9b – 4) (81b2 + 36b + 16)


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