Question

Union and intersection of sets 1.If A={5,6,7}and B= {5,6,7,8,10,12}

Answer 1

Answer:

you don't know why are you read in school

Answer 2

Answer:

∴ AUB  = {5,6,7,8,10,12}

∴ AnB = = {5,6,7}

Step-by-step explanation:

Given,

 A={5,6,7}

B= {5,6,7,8,10,12}

∴ AUB = {5,6,7} U {5,6,7,8,10,12}

        = {5,6,7,8,10,12}

∴ AnB = {5,6,7} n {5,6,7,8,10,12}

        = {5,6,7}