" 19."x^(2)+26x+153

Prove that : 2x^(4) - 9x^(3) + 21x^(2) - 26x + 12 is completely divisible by 2x - 3.

If 3 - sqrt(2) is a root of x^(4) - 8x^(3) + 21x^(2) - 26x + 14 = 0 then the roots are

If tan "" (alpha )/(2) and tan "" (beta)/( 2) are the roots of the equation 8x ^(2) -26x + 15 =0, then find the value of cos (alpha + beta).

If tan "" (alpha )/(2) and tan "" (beta)/( 2) are the roots of the equation 8x ^(2) -26x + 15 =0, then find the value of cos (alpha + beta).

The total revenue in rupees received from the sale of x units of a product is given by R(x) = 13x^(2) + 26x + 15 . Find the marginal revenue when x = 7.

Verify Rolle's theorem for the function f(x) = x^(3) - 9x^(2) + 26x -24 in the interval [2.4]

Verify Rolle's theorem for the function f(x) = x^(3) - 9x^(2) + 26x -24 in the interval [2.4]

The G.C.D of x^(4) + 3x^(3) + 5x^(2) + 26x + 56 and x^(4) + 2x^(3) - 4x^(2) - x + 28 is x^(2) + 5x + 7 Find their L.C.M.

If one root of the equation x^(3) - 9x^(2) + 26x -24=0 is twice the other. Then, the sum of the cubes of those two roots is