[" 17."6-x-x^(2)," 20."x^(2)-26x],[" 19."40+3x-x^(2)," 22."x^(2)-3]

x^(2)-22x+40 =_______

(6x^(3)-27x^(2)+30x-20)-:(3x^(2)-6x)

Resolve each of the following quadratic trinomials into factors: 7x-6x^(2)+20(2)3x^(2)+22x+3512x^(2)-17xy+6y^(2)(4)6x^(2)-5xy-6y^(2)

factorise (i) 2x^(3)-3x^(2)-17x+30 (ii) x^(3) -6x^(2)+11x-6 (iii) x^(3)+x^(2)-4x-4 (iv) 3x^(2)-x^(2)-3x+1

Solve : |(x^(2)-1,x^(2)+2x+1,2x^(2)+3x+1),(2x^(2)+x-1,2x^(2)+5x-3,4x^(2)+4x-3),(6x^(2)-x-2,6x^(2)-7x+2,12x^(2)-5x-2)| =0

The coefficient of x^(19) in the polynomial (x-1)(x-2)(x-2^2)(x-2^(19)) is 2^(20)-2^(19) b. 1-2^(20) c. 2^(20) d. none of these

The coefficient of x^(19) in the polynomial (x-1)(x-2)(x-2^2)(x-2^(19)) is 2^(20)-2^(19) b. 1-2^(20) c. 2^(20) d. none of these

Factorize following expressions (i) x^(2)+3x-40" (ii)"x^2-3x-40" (iii)"x^(2)+5x-14 (iv) x^2-3x-4" (v)"x^2-3x-40" (vi)"3x^2-10x+8 (vii) 12x^2-x-35" (viii)"3x^2-5x-2" (ix)"3x^2-7x+4 (x) 7x^2-8x+1" (xi)"2x^2-17x+26" (xii)"3a^2-7a-6 (xiii) 14a^2+a-3

Divide 6x^(3)-26x-21+x^(2) by -7+3x .