Home
Class 12
MATHS
If 1,-2 and 3 are roots of x^3-2x^2+a...

If 1,-2 and 3 are roots of
`x^3-2x^2+ax+6=0` , then find a .

Text Solution

Verified by Experts

The correct Answer is:
i.e ,a =-2-6+3=-5
Promotional Banner

Topper's Solved these Questions

  • THEORY OF EQUATIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE SAQ -4 MARKS|5 Videos

  • THEORY OF EQUATIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE LAQ -7 MARKS|4 Videos

  • THEORY OF EQUATIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise EXERCISE -4(d)|20 Videos

  • SYSTEM OF CIRCLE

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise EXERXCISE - 2(b)|23 Videos

Similar Questions

Explore conceptually related problems

If 1, -2, 3 are roots of x^(3) - 2x^(2) + ax + 6 = 0 then a =

If -1,2 and alpha are the roots of 2x^3 +x^2-7x-6=0 , then find alpha

If alpha, beta and 1 are the roots of x^3-2x^2-5x+6=0 , then find alpha and beta

If 1,2,3 and 4 are the roots of x^4+ax^3+bx^2+cx+d=0 , then find the values of a,b,c and d.

If alpha, beta, 1 are the roots of x ^(3) - 2x ^(2) - 7x + 6 =0, then find alpha, beta.

Find the roots of 6x^2-x-2=0 .

If 1,1, alpha are the roots of x ^(3) -6x ^(2) + 9x- 4 =0 then find 'alpha '.

If alpha , beta ,1 are roots of x^3 -2x^2 -5x +6=0 ( alpha gt 1) then 3 alpha + beta=

If -1, 2 , alpha are roots of 2x^(3) + x^(2) - 7x - 6 = 0 then alpha =