1. For what value of 'k'(k²-4)
x²+2x-9 can not be quadratic equation ?
Answers
Answered by
0
Answer:
k(k²-4)x²+2x-9=0
k²-4=0
k²=4
k=±2 OK friend this is urs answer
it is quadratic equations because the highest order is 2
u can also solve by formula method
Answered by
1
Answer:
-2 or +2
Step-by-step explanation:
as 'a' cannot be equal to 0 then the value of K should be 2 as to make it zero when subtracting from 4.
k^2-4
2^2-4
4-4=0
So the value of k is -2 or +2.
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