The ratio of coefficients of cubical expansion and linear expansion is

1:1

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3:1

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2:1

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none of these

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Solution

The correct option is D 3:1
We know that $γ = 3 α$ and $β = 2 α$
$\Rightarrow α : β : γ = 1 : 2 : 3$

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The ratio of coefficients of cubical expansion and linear expansion is

The correct option is D 3:1We know that γ=3α and β=2α⇒α:β:γ=1:2:3

The correct option is D 3:1
We know that $γ = 3 α$ and $β = 2 α$
$\Rightarrow α : β : γ = 1 : 2 : 3$