Question

Find the cube of : 3a - 1/a , using the formula => a³ - 1/a³ - 3(a - 1/a)

Answer 1

Answer:

$6 > 39 \frac{9}{?} 99yx99 {3 > 6 < {?}^{2} }^{2} 3 \frac{ {9 { { \frac{ { + {j}^{2} }^{2} }{?} }^{2} }^{?} }^{?} }{?}$