if -1 is a zero of polynomial p(x)=kx2-4x+k. find k
Answers
Answered by
50
Hey user here is your answer.....
---> As (-1) is zero of polynomial
Given equation- kx^2-4x+k
◆Put x=(-1)
◆k(-1)^2-4(-1)+k=0
◆k+4+k=0
◆2k+4=0
◆2k=-4
◆k=-4/2
◆k=-2
Hope it helps you☺️
#Rohan ( Maths aryabhatta )
---> As (-1) is zero of polynomial
Given equation- kx^2-4x+k
◆Put x=(-1)
◆k(-1)^2-4(-1)+k=0
◆k+4+k=0
◆2k+4=0
◆2k=-4
◆k=-4/2
◆k=-2
Hope it helps you☺️
#Rohan ( Maths aryabhatta )
kud1:
do u know Hindi??
ya☺️
Thn. I have posted a poem can u send me the answers pl
r u need me to post it again
Answered by
2
Answer:
kx2-4x+k
Step-by-step explanation:
-b/a = -1
a= 1
b= 4
Similar questions