Math, asked by gitanjalisharma, 1 year ago

if αandβ are the zeros of polynomial p(x) =x^2+x-1,find α^2β+αβ^2

Answers

Answered by yvy
2

 \alpha  +  \beta  =  - b \div a
 \alpha  \times  \beta  = c \div a
 { \alpha  }^{2}   \times  \beta  +  { \beta }^{2}  \times  \alpha
taking common
 \alpha  \times  \beta ( \alpha  +  \beta )
b=-1 c=-1
answer is -1
plz mark it as brianliest answer

yvy: its alright
yvy: no need to sAy thanks
yvy: ur welcome
gitanjalisharma: Hloo..
gitanjalisharma: the angle of elevation theta of a vertical Tower from a point on the ground is such that it's tangent is 5/12.on walking 192 m towards the tower in the same straight line, the tangent of the angle of elevation feii js found to be 3/4.find the height of the tower.
gitanjalisharma: plzz... solve thiss...
yvy: answer may be 180m right or wrong???
yvy: hii
gitanjalisharma: hloo
gitanjalisharma: find the roots of the equation 5x^2-6x-2=0 by the method of completing the square
Answered by viduola
1
answer is -1 , i think so plz check it
Similar questions