16. If 1 is the root of the equation x2+bx+1=0 and the equation x2+bx+q=0 has equal roots then the value of q is
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Answered by
1
Answer:
value of q is 1
drop some thanx
Answered by
0
Answer:
Given equation x
2
+bx+12=0
one root is 2
So, put x=2
4+2b+12=0
2b=−16
b=−8
Now roots of equation x
2
+bx+q=0 are equal
So, D=0
b
2
−4q=0
(−8)
2
−4q=0
4q=64⇒q=16
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