pls kindly advise how to solve the Q below:
find the smallest integer value of k such that 648k is a perfect cube.
thanks in advance
pls kindly advise how to solve the Q below:
find the smallest integer value of k such that 648k is a perfect cube.
thanks in advance
This is a factor question.
648 = 2 × 2 × 2 × 3 × 3 × 3 × 3
k = 3 × 3
648k = 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3
= 2^3 × 3^6
Perfect cube
Hi Pek Mao,
how you derive K = 3 x 3 ? thanks