[" 1.Solve the following inequations by graphical method."],[[" (i) "x^(2)-7x+6>0," (ii) "4-x^(2)>0],[" (iii) "15x^(2)+4x-4<=0," (iv) "x^(2)-4x-21>=0]]

Solve the following inequations by graphical method. 4-x^(2) gt0

Solve the following inequations by graphical method. 15x^(2)+4x-4 le 0

Solve the following inequations by graphical method. x^(2)-7x+6 gt0

Solve the following inequations by graphical method. x^(2)-4x-21 ge 0

Solve the following inequations by algebraic method. 15x^(2)+4x-4 le 0

Solve the following inequations by algebraic method. x^(2)-4x-21 ge 0

Solve the following quadratic equations by factorization method. 4x^(2)-7x-2=0

Solve the following inequations graphically in xy-plane: x+4gt0

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