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Step-by-step explanation:
let the first root be m
then the second root be m²
eq is x²+ax+27=0
We know that
multiply of root = c/a
m×m²= 27/1
m³=27
m= 3
m²=3²=9
root will be 3 and 9
now
sum of root = -b/a
9+3= -a/1
12= -a
-12=a
hence value of a is -12
#666
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