" 7.If "A={x in R/x^(2)+5|x|+6=0}," then "n(A)=

(a)If A={x in R:x^2-5x+6=0} and B={x in R:x^2=9} , find AxxB .

If A={x|x in N,xle5},B={x|x in Z,x^(2)-5x+6=0} , then the number of onto functions from A to B is

U= [1,5],A={x|x in N ,x^2-6x+5=0} then A'=....

If 2 is a root of x^(2) + 5x + r = 0 then r = …

Let A={x: x in R,x^2-5x+6=0} and B={x:x in R,x^2=9} Find A-B , B-A and verify that (A-B)uu(B-A)=(AuuB)-(AnnB) .

Let A={x in R,x^2-5x+6=0 and B={x:x in R,x^2=9} . Find (AuuB) and (AnnB)

Let A={x: x in R,x^2-5x+6=0 } and B={x:x in R,x^2=9} Write A and B in roaster form.

Let A={x in N:x^2-5x+6=0}. B={x in W:0lex<2} and C={x in N:x<3} ,then verify that Axx(BcupC)=(AxxB)cup(AxxC)

f(x)=2x^(3)-6x^(2)+6x+5(n in R)then f'(x)=

Write the following sets in the roaster from. F= {x"/"x^(4)-5x^(2)+6=0, x in R}