Arithmetic Aptitude :: Sets, Relations and Functions
- Let R= {(x,y) :x, y belong to N, 2x+y =41}. The range is of the relation R is
- If A = {1, 2, 5} and B = {3, 4, 5, 9}, then A ? B is equal to
- If f(x) = Log [(1 + x)/(1-x), then f (2x )/(1 + x²) is equal to
- Let f = {(x, x² /1+x² ): x € R } be a function from R into R . range of x is
- A set contains k elements. The power set of this set contains
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