4. How many chords can be formed if there are seven points on the circumference of the circle? 5. How many different 10-member committee can be formed from the senators of the country?
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To do this, we can use the formula for the number of combinations of choosing 2 points from a set of n points, which is given by nC2 = n! / (2!(n-2)!). Since we have even points on the circumference, let's say there are n points. We can choose any 2 points to Show more…
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