find the value of k in 9 x square minus K + 2 into X + 1 is equal to zero which has equal roots
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find the value of k in 9 x square minus K + 2 into X + 1 is equal to zero which has equal roots
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Answer:
The value of k is -4 or 8 .
Step-by-step explanation:
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Answer:
given ,
we have
x+1=0
x=-1
then we have
9x^2-k+2=0
9(-1)^2-k+2=0
9*1-k+2=0
9-k+2=0
-k=-2-9
-k=-11
k=11