if zeros of polynomials x^2+4x+2a are 0 and 2/0, find value of a.
Answers
Answered by
2
Answer:
ANSWER
Comparing x
2
+4x+2a with ax
2
+bx+c,
a=1,b=4,c=2a
According to the question,
α,
2
α
are the zeroes of the polynomial,
sum of the zeroes
a
b
α+
2
α
=
1
−4
α=
3
−8
α
2
=
9
64
[squaring both sides]
product of all zeroes,
α×
2
α
=
1
2a
α
2
=4a
∴4a=
9
64
[∵α
2
=
9
64
]
a=
9
16
Answered by
1
Answer:
Step-by-step explanation:
Since 0 is a zero of the given polynomial, on putting X=0 in the equation we will get 0 as the value.
So, x²+4x+2a=0
0+0+2a=0
2a=0
a=0.
You can ignore the root 2/0 because it is an undefined value.
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