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The set of values of x satisfying (x2-x-1)(x2-x-7) is lesser than -5 is (a,b) union (c,d) then a+b+c+d is equal to |
| Answer» The set of values of x satisfying (x2-x-1)(x2-x-7) is lesser than -5 is (a,b) union (c,d) then a+b+c+d is equal to | |