The smallest surface area of a cuboid made up of 12.1 cube cm will be?
I'm so sorry but the answer is not matching with my book.
In my book the answer is 24
Is the answer wrong or correct?

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Solution

This question involves derivative which you will learn in higher grades.

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The smallest surface area of a cuboid made up of $12.1 c m^{3}$ will be?

The temperature and the dew point in an open room are 20°C and 10°C. If the room temperature drops at 15°C, what will be the new dew point?

BOOK ANSWER : 10°C

MY SUGGESTION :

My answer is also same as book because I think that dew point do not depend on environment temperature.

But I want to know that the reason I have mentioned is true or not, if my reason is wrong then why?

13

7

4

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