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the seet of values of x satiesfying (x^2 - x -1) (x^2 - x - 7) < -5 is (a,b) uniton (c,d) then a+b+c+d is equal to |
| Answer» the seet of values of x satiesfying (x^2 - x -1) (x^2 - x - 7) < -5 is (a,b) uniton (c,d) then a+b+c+d is equal to | |