if one of the solution of the equation x^3-2x^2+ax+10=0 is the additive inverse of another,then which inequality is true? a) -40b) -10

Question

Vikas TU · Answer

Dear Student,

let one solution be m, then the other solution will be -m.

let third solution be n

sum of roots taken one at a time= m+(-m)+n= n = 2 -------- (A)

sum of roots taken two at a time = -m²-mn+mn = -m²= a ------(B)

product of roots = -m²n = -10------(C)

from A, B, C we get:

a= -5 .

Cheers!!

Regards,

Vikas (B. Tech. 4^th year
Thapar University)

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if one of the solution of the equation x^3-2x^2+ax+10=0 is the additive inverse of another,then which inequality is true? a) -40b) -10

if one of the solution of the equation x^3-2x^2+ax+10=0 is the additive inverse of another,then which inequality is true? a) -40b) -10

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if one of the solution of the equation x^3-2x^2+ax+10=0 is the additive inverse of another,then which inequality is true? a) -40b) -10

if one of the solution of the equation x^3-2x^2+ax+10=0 is the additive inverse of another,then which inequality is true? a) -40b) -10

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