Question

Decide which are equal sets and which are not. Justify your answer
A ={ y / 2 y + 1 = 5}
B = { x / x is an even prime number }
C = { p / p = 2n , n є N , n < 3}

Answer 1

Answer:

A ={ y / 2y + 1 = 5 }

2y = 5-1

2y. = 4

y. = 4\2

y = 2

B = { 2 }

C = { 2n = 2 }

{ n = 2\2 }

{ n = 1 }

Hence proved , They are not equal set

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