Question

Solve 1) . lf n ( A ) = 15 ‚ n ( AUB ) = 29 ‚ n ( AnB ) = 7 then n ( B ) = ? . what is answer​

Answer 1

Answer:

SORRYT AAP ITNI SUNDER HA KYA KARE

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Solution :

We have,

n (A) = 15, n (A U B) = 29, n (A ∩ B) = 7 then n (B)

=> n(A U B) = n(A) + n(B) - n(A ∩ B)

=> n(B) = n(A U B) + n(A ∩ B) - n(A)

=> 29 + 7 - 15

=> 21.