The coefficient of linear expansion alpha of a rod length 2m varies with distance x from one end as alpha=a+bx where a=1.5xx10^(-5)//""^(0)C and b=2.5xx10^(-6)//m-""^(0)C. Find the increase in the length of the rod when heated through 350^(0)C.

The coefficient of linear expansion alpha of a rod length 2m varies wi

1.	The coefficient of linear expansion alpha of a rod length 2m varies with distance x from one end as alpha=a+bx where a=1.5xx10^(-5)//""^(0)C and b=2.5xx10^(-6)//m-""^(0)C. Find the increase in the length of the rod when heated through 350^(0)C.
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