Question

find the quadratic polynomial if zeroes are 2, -1​

Answer 1

Answer:

let a be the first zero i.e 2 and b be the

second i.e -1

now,atb=[2-11=1

ab-2(-1)=-2

F +(a+b)x+ab

X-2)(X+1)=X*2-2X+X-2

X2-X-2=0