Question

If P is the solution set of 7x-2>3x-1 and Q is the solution set of 5x -1 <_2(x+7) where x€N. Find the set of P ∩ Q

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Answer 1

Step-by-step explanation:

7x-2>3x-1

7x-3x>-1+2

4x>1

x>1/4.

and,

5x-1<2(x+7)

5x-1<2x+14

5x-2x<14+1

3x<15

x<5

so ,

x is greater than 1/4 and less than 5.

hence, the set P intersection Q={1/4,5}U{5, infinity}.

Answer 2

Answer:

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