Math Chapter Wise question with answer

Q01 Let a relation r be defined over the set of non- zero real numbers R* by arb if a = 2 b, then over R* this relation... English · UPPSC Ashram Paddhati 2021 Q02 Let R be the set of real numbers, if f: R → → → R is given by f (x) = x2 + 2 and g:R → → → R is given by g (x) = x... English · UPPSC GIC 2021 Q03 Let x and y be real numbers and 1 X (x,y) y,x 0,Y (x,y) y x x be two sets then– English · DSSSB TGT (SECTION-B) 28 DEC 2014 DSSSB PGT (SECTION-B) 28 DEC 2014 Q04 Let R be the set of all real numbers. Then f:R→ → →R is not a mapping if it is defined by: English · PGT 2013 Q05 Let R be the set of real number. Then a function f: R→ → →R defined by f(x)= x2 –x∀ ∀ ∀x∈R is English · Rajasthan TGT 2011 Q06 Let a relation R be defined on the set of all real numbers by aRb if and only if 1+ab>0. Then the relation R is– English · UP PCS (Pre) 2004 & 2005