Question

6. A={ x:x^ 2 =1}& B={x:x^ 4 =1} then A ∆ B= ?
a) { i,- i}
b) { -1,1}
c) {-1,1,i,-i}

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Answer 1

Answer:

option B

Step-by-step explanation:

check detailed explanation

Answer 2

Answer:

option b

Step-by-step explanation:

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