Question

please give step by step answer please​

Answer 1

Answer:

d) 2

Step-by-step explanation:

Given (x−2) is a common factor of x²+ax+b and x²+cx+d

∴x=2 is a root of x²+ax+b=0 and x²+cx+d=0

∴4+2a+b=0,4+2c+d=0

⇒2a+b=2c+d

⇒b - d = 2c - 2a

⇒2(c−a)=b−d

⇒ b−d / c-a = 2

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