Classify the following sets A={x: `x^2-9x+20=0`,x is real}
and B={4,5}.

Classify the following sets {x: x^2-2=0, x is rational}

Consider the following sets: A = {x:x is a natural number and 1lt xle 4} B ={x:x is a natural number and 4lt x le8 } Are the given sets disjoint?

Consider the following sets: A = {x:x is a natural number and 1lt xle 4} B ={x:x is a natural number and 4lt x le8 } Represent these sets on Roster form

Which of the following sets are empty sets? i) A={ x: x^2-3=0 . and x is rational } ii) B={x: x is an even prime number } iii) C={x: 4 lt x lt 5, x in N} iv) D={x: x^2=25 and 'x' is an odd integer.}

Differentiate the following w.r.t x (3x^2-9x+5)^9

Describe the following sets by roster method: (i) {x: x^2+5 x+6=0, x in N} (ii) {x: x^2+6 x+8=0, x in Z} (iii) {x: 4 x+7 lt25, x in N} (iv) {x , x^3+1=0, x in N} (v) the set of all lettersin the word TRIGONOMETRY.

Integrate the following functions 1/(9x^2+6x+5)

State which of the following sets are finite or infinite {x:x in N and x^2 -3x+2=0}

Taking the set of natural number as the universal set, write down the complements of the following sets:{x: 2x + 5 =9}