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CUET
General Test
Quantitative Reasoning
Algebra
If (x - 4) (x2 + 4x + 16) = x3 - P
Find the value of \(\sqrt {P}\)
7
13
8
2
(a - b) (a2 + b2 + ab) = a3 - b3
↓ ↓
(x - 4) (x2 + 4x + 16) = x3 - (4)3
P = 64
So, \(\sqrt {P}\) = 8