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CBSE Class 10 Answered

if x=3 is aroot of the equation x2-x+k=0,find the value of p so that the roots of the equation x2+k(2x+k+2)+p=0 are equal.
Asked by mdraishbst | 20 Oct, 2018, 17:25: PM
answered-by-expert Expert Answer
x2+k(2x+k+2)+p=0
use b2-4ac=0
b=2k
a=1
c=k2+2k+p
 
also, x=3 is the root of x2-x+k=0, sub and find the value of k first
Answered by Arun | 21 Oct, 2018, 13:05: PM
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