Question

If dx^2
+ ex + f = 0) is an identity in x , find the value of d + f +e.​

Answer 1

Answer:

0

Step-by-step explanation:

dx^2 + ex + f = 0 can be written as 0x^2 + 0x + 0 = 0

This satisfies the expression so this is the suitable value for variable.

Now, d+f+e = 0+0+0 = 0.

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