If x-2 is a factor of x² + 2ax + 4a then value of a is
Answers
Answered by
0
Answer:
a-4
Step-by-step explanation:
x-2(x²+2ax+4a)
(x-4)+a(2+4)
x-4+8
= a-4
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Answered by
0
Answer:
a= -1/2
Step-by-step explanation:
x-2=0
x=2
f(x)= x^2 +2ax +4a
f(2) => (2)^2 + (2×a×2) + (4a) = 0
=> 4 + 4a + 4a = 0
=> 8a= -4
=> a= -1/2 (Ans)
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