Write the following sets as intervals (i) {x:x in R, -2 lt x lt 15} (ii) {x:x in R, x ge 2}
If A={x : x in N, 2015 lt x lt 2017} B={x : x in N, x+1=2017} , then A-B= ________.
Express each of the following sts as an interval : (i) A={x:x in R, -4 , lt x lt 0} (ii) B={x:x in R, 0 le x lt 3} (iii) C= {x:x in R, 2 lt x le 6} (iv) D= {x:x in R, -5 le x le 2 } (v) E= {x:x in R, -3 le x lt2) (vi) F={x:x in R, -2, le x lt 0}
If A ={x:x in R, x lt 5} and B={x:x in R, x gt 4} , find A cap B .
Write the follwing sets as intervals. (i) (x:x in R, -3 lt x le 15) (ii) (x:x in R, -2 lt x)
Write the following sets in the form of an interval (i) {x:x in R,2 ltxle5} (ii) {x:x in R,-5ltxlt3} (iii) {x:x in R,1 lt x lt 8} (iv) {x : x in R, -7 lt x lt4}
If A ={2x:x in N and 1 le x lt 4}, B= {(x+2): x in N and 2 le x lt 5} } and C = {x:x in N and 4 lt x lt 8} , find : (i) A cap B (ii) A cup B (iii) (A cup B) cap C
Which of the following are examples of the null set ? (i) Set of odd numbers divisible by 2. (ii) Set of even prime numbers. (iii) A={x:x in N,1 lt x le 2} (iv) B={x:x in N, 2x + 3=4} (v) C={x:x " is prime ", 90 lt x lt 96} (vi) D={x:x in N, x^2+1=0} (vii) E=={x:x in W, x+3 le 3} (viii) F={x:x in Q, 1 lt x lt 2 } (ix) G={0}
If A={x in R: x^(2)+6x-7 lt 0} and B={ x in R: x^(2)+9x+14 gt 0} , then which of the following is/are correct ? 1. A cap B = {x in R: -2 x lt x lt 1} 2. AUB = {x in R: -7 lt x lt -2} Select the correct answer using the codes given below :
