Expand
(k + 4)3
(k + 4)3 =(k)3 + [ 3 ×(k)2 ×(4)] + [ 3 ×(k)×(4)2 ] +(4)3
{ ∵(a + b)3 = a3 + 3a2b + 3ab2 + b3
Here a = k, b = 4 }
= k3 +(3 × 4)k2 +(3 × 16)k + 64
= k3 + 12k2 + 48k + 64
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
