what is a quadratic polynomial?
I came across a question in Cat 2022 slot 2 where f(2)=0 and f(4)=6 and we had to find the value for f(-2). the video showed take f(x)= a(x-b)^2+ c
but i think equation should be ax^2+bx+c and then we should put x=2 and x=4

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