Q. 224.8( 5 Votes )

Using prope

Answer :

Given:


To check: T is an empty set or not







-(4x – 40)(13 – x) = (4x – 40)(x – 7)


(4x – 40)(x – 7) + (4x – 40)(13 – x) = 0


(4x – 40)(x – 7 + 13 – x) = 0


6(4x – 40) = 0


24(x – 10) = 0


x – 10 = 0


x = 10


So, T = {10}


T is not an empty set


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