why have some problems included combination formula that is ncert ex 13.4 problem no. 6 plz sir exaplain this problem and rason for the use of combination formula and when to use it ..
Asked by Alina Imtiyaz imtiyaz | 6th Jan, 2014, 10:45: AM
Since here we are using two different object which is a combination of defective and non-defective thatswhy we use combination formula.
Answered by | 7th Jan, 2014, 11:15: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number