Question

if f (x)=ax^2+bx+c and f(1)=0 and f (-1)=5 then find a+c​

Answer 1

Answer:

3

Step-by-step explanation:

Substituting values in both equations, we get

f(1) = a+b+c = 0 ------(1)

f(-1) = a-b+c=5 ------(2)

Adding equations (1) and (2), we get

2a+2c=6

Therefore, a+c=3

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