Question

find the pairs of eqal sets, if any, give reason: A={0}, B={x:x>15 and x<5}, C={x:x-5=0}, D={x:x²=25}, E={x:x is an integral positive root of the equation x²-2x-15=0}.​

Answer 1

Answer:

C={5}. ( because 5-5=0)

E={5}. (because roots are -3&5 positive root is 5 only)

Step-by-step explanation:

D is not because it contains {5,-5}