Step 3. Determine what operations to be used. Using the formula n( A UB) = n(A) + n(B) - n A n B). then, n(ANB) = n(A) + n( B) - n( A UB) n(ANB) = 20 + 28 - 36 nANB ) = 48 - 36 n( AN B) = 12 Pls po help
![Step 3 Determine What Operations To Be Used Using The Formula N A UB NA NB N A N B Then NANB NA N B N A UB NANB 20 28 36 NANB 48 36 N AN B 12 Pls Po Help class=](https://ph-static.z-dn.net/files/de3/14aeffaed8a3a3e39a6d9a10ce242e43.jpg)
sayang
Step-by-step explanation:
may sagot ako nito eh. Wala nga lang akong picture . galing rin yun sa source naipasa ko na. sayang talaga