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if p = {-3<x<1} and Q = {-1<x<3}, where x is a real number, find...

Mathematics
WAEC 2021

if p = {-3<x<1} and Q = {-1<x<3}, where x is a real number, find P n Q.

  • A. 0
  • B. -3, -2, -1, 0 and 1
  • C. -2, -1 and 0
  • D. -1, 0 and 1
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Correct Answer: Option A
Explanation

p = {-3<x<1} = {-2,-1 and 0}

Q = {-1<x<3} = {0,1 and 2}

P n Q = {0} or  {-1<x<1}


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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts