web analytics

Ex 1.6, 1 - If X and Y are two sets n(X) = 17, n(Y) = 23 - Ex 1.6

  1. Chapter 1 Class 11 Sets
  2. Serial order wise
Ask Download

Transcript

Ex 1.6, 1 If X and Y are two sets such that n(X) = 17, n(Y) = 23 and n(X ∪ Y) = 38, find n(X ∩ Y). n(X) = 17, n(Y) = 23, n(X ∪ Y) = 38 n(X ∩ Y) = ? We know that: n(X ∪ Y) = n(X)+ n(Y) – n(X ∩ Y) 38 = 17 + 23 – n(X ∩ Y) 38 = 40 – n(X ∩ Y) n(X ∩ Y) = 40 – 38 n(X ∩ Y) = 2

About the Author

CA Maninder Singh's photo - Expert in Practical Accounts, Taxation and Efiling
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 8 years. He provides courses for Practical Accounts, Taxation and Efiling at teachoo.com .
Jail