What are the possible polynomial for the dimensions of the cuboids whose volume is 3a3-12a.
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1
Answer:
Correct option is
B
3x(x−2)(x+2)
Given volume of cuboids is 3x
3
−12x
The volume of cuboid =lbh =3x(x
2
−4)
We know x
2
−y
2
=(x+y)(x−y)
∴3x(x
2
−4) =3x(x+2)(x−2)
Then dimensions are 3x,(x+2) and (x−2).
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