3ax^(2)+7x-15

30x^(2)+7x-15

2x^(2)-7x-15

Factorise (i) x^(2)+9x+18 " " (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 " " (iv) 84-2r-2r^(2)

Factorise (i) x^(2)+9x+18 (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 (iv) 84-2r-2r^(2)

(x^(2)-7x+15)/(x-3) , find remainder

Divide 4x^(2) + 7x - 15 " by " x +3

(7x-1) is a factor of 7x^(3)+6x^(2)-15x+2 . ( True/False)

If x = 2/3 and x =- 3 are the roots of the quadratic equation ax^(2) +7x+b = 0 then find the values of a and b.

If int(x^(3)+4x^(2)-7x+5)/(x+2)dx=(x^(3))/(3)+ax^(2)-11x+b log(x+2)+c, then (a, b)-=