Question

The sets A = {x : x ∈ R, x2 = 16 and 2x = 6} equals​

Answer 1

Answer:

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Step-by-step explanation:

Null /empty set only two values(-4 & 4) of x satisfies first equation (x square equals 16) but none of these value satisfies second equation..

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Answer 2

ANSWER

Since, x

2

=16⇒x=±4

and 2x=6⇒x=3

Hence, no value of x is satisfied.

∴A=ϕ