The set A = { x\ x2 – 7x + 12 =0 } is
A.{ 3 , 4 } B. { -3 , 4 } C.{ 3 , -4 } D.{ -3 , -4 } E. None of them
2.The element(s) of A ={ (x,y)\ x+y=8 where x and y are positive integers and x≥ y} is
If 312x+1 . 3x+4= 99, then x=……….
A.4 B.5 C.6 D.7 E.1
4.√288 + √200 + √392 =……..
A.20√2 B.16√2 C.10√2 D.8√2 E.4√2
p times
Simplify (a×a×a……a)/(a+a+a+⋯a)
p terms
A.a^(p-1)/p B.pa^(p/2) C.a^p/(p-2) D.p/2 E.1
The value of {[(2)^(-1) ]^(-1) }^(-1)is