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We have 15 ways to chose 2 students for the position of president and Vice President
<em><u>Solution:</u></em>
Given that,
There are 6 students. 2 of them are chosen for the position of president and Vice President.
<em><u>To find: number of ways we have to choose the students from the 6 students</u></em>
So now we have 6 students, out of which we have to choose 2 students
As we just have to select the students. We can use combinations here.
In combinations, to pick "r" items from "n" items, there will be ways
<em><u>Then, here we have to pick 2 out of 6:</u></em>
Total students = n = 6
students to be selected = r = 2
Thus we have 15 ways to chose 2 students for the position of president and Vice President
<h3>Solution:</h3>
</h3><h3>Answer:</h3>
- Given, side (a) = x+3
- We know, surface area of a cube = 6a^2
- Therefore, the surface area of the cube
The answer is
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