plz find the answer.....
Attachments:
Answers
Answered by
0
Answer:
Step-by-step explanation:
Answered by
1
Answer:2
Step-by-step explanation:
if 1/2 is a root then p[x] =1/2 which on substituting in the equation will give you the value of k
p[1/2] = [1/2]²+k×1/2 -5/4
1/4+k/2-5/4=0 [subtracting 1/4 and 5/4]
-1 +k/2=0
k/2=1 [taking 1 from LHS to RHS changes symbols]
cross multiplying
k=2
Similar questions