" 2."40+3x-x^(2)

Factorise : 40+3x-x^2

Minimize: Z=20x_1+10x_2 "Subject to": x_1+2x_2 le 40 3x_1 -x_2 ge 30 4x_1+3x_2 ge= 60 x_1,x_2 ge 0

Solve the following LPP Minimise Z=20x_(1)+10x_(2) Subject to x_(1)+2x_(2)le40 3x_(1)+x_(2)ge30 x_(1),x_(2)ge0 .

If f(x) = ""^(40)C_(1).x(1-x)^(39) + 2.""^(40)C_(2).x^(2)(1-x)^(38)+3.""^(40)C_(3).x^(3)(1-x)^(37)+ "….."+40.""^(40)C_(40).x^(40) , then the value of f(3) is

If f(x) = ""^(40)C_(1).x(1-x)^(39) + 2.""^(40)C_(2).x^(2)(1-x)^(38)+3.""^(40)C_(3).x^(3)(1-x)^(37)+ "….."+40.""^(40)C_(40).x^(40) , then the value of f(3) is

IF 20 ^(3- 2x^2 = ( 40 sqrt(5) ) ^(3x^2-2) , then x=

IF 20 ^(3- 2x^2 = ( 40 sqrt(5) ) ^(3x^2-2) , then x=

Find the coefficient of x^20 in the expansion of (3x^3-2/x^2)^40

Let f(x) = 40 (3x^(4) + 8x^(3) - 18x^(2) + 60) , consider the following statement about f(x) .

Factorize following expressions (i) x^(2)+3x-40" (ii)"x^2-3x-40" (iii)"x^(2)+5x-14