$\"\"$

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Work done by the gas $\"\"$ .

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Boyle’s Law states that when a quantity of gas expands at constant temperature, $\"\"$ .

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$\"\"$

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Substitute the value of $\"\"$ in $\"\"$ .

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$\"\"$

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Constant multiple rule of integrals : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute the values of $\"\"$ and $\"\"$ in the above equation.

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute the values of $\"\"$ and $\"\"$ into $\"\"$ .

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$\"\"$

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Substitute $\"\"$ into $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Work done by the gas $\"\"$ .