There are group of 20 friends. Every one is a supporter of either Chennai Super Kings or Kolkata Knight Riders or both. If 15 of
them support Chennai Super Kings and 10 of them support Kolkata Knight Riders, (i) the number of people who supports both Chennai Super Kings and Kolkata Knight Riders is ____. (ii) the number of people who support only Chennai Super Kings is ____. (iii) the number of people who support only Kolkata Knight Riders is ____.
1 answer:
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Answer:
Step 2:
For Completing the square,
Add half coefficient of x square on both the side we get
Step-by-step explanation:
Solve:
Solution:
Step 1:
Dividing both the side by two we get
Step 2:
For Completing the square,
Add half coefficient of x square on both the side we get
Step 3:
We know
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