If 2 is a root of equation ax^2+bx+2=0 and x^2-x-b=0 then find the value of a/b
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Answer:
a/ b = -3/4
Step-by-step explanation:
if 2 is the root of the equation then it will satisfied both the equation.
x^2-x-b=0
(2)²- 2 - b = 0
b = 2
ax^2+bx+2=0
a*(2)² + 2*2 + 2 = 0
4a + 6 = 0
a = -3/2
a/ b = -3/2/2= -3/4
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