If 2 and 1 are the roots of the quadratic equation a 2 + + 2 = 0, find the value of a and b.
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Answer: a=1, b= -3
Step-by-step explanation:
a^2+b+2=0
If 2 and 1 are roots of the equation
Sum of roots = -b/a
Product of roots = 2/a
Product = 2(1)=2
2/a=2
a=1
Sum = 2+1 = 3
-b/a=3
-b/1=3
b= -3
The values are a=1 and b= -3
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