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Solve the follwing inequations by algebric and graphical methods. i) x^(2) – 8x + 15 gt 0 ii) 2x^(2) + 3x – 2 lt 0 iii) x^(2) - 4x + 5 gt 0 iv) 15x^(2) + 4x – 5 le 0

Answer»


Answer :i) `x in (-INFTY, 3) cup (5, infty)` ii) `x in (-2, (1)/(2))` iii) `x in R` iv) `x in [(-2)/(3), (2)/(5)]`


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