CBSE Class 9 Answered
The
volume of a cube is given by the polynomial p(x) = 8x3 - 36x2
+ 54x - 27.
Find
the possible expression for the sides of cube.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
8x3 - 36x2 + 54x - 27
= (2x)3 + 3(2x)2(-3) + 3(2x)(-3)2 + (-3)3
= (2x - 3)3
Since volume of a cube is give by (side)3.
Therefore the expression for side is: 2x - 3.
Answered by | 04 Jun, 2014, 03:23: PM
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