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Grade 12th passIntegral Calculus

(Inner Product) Question is attached.
I don't think my question was in an understandable format in the previous post. So I am posting again.
If you can also give me an example it will be much appreciated. If you can kindly answer me in this new post. It will be a great help. Thank you.

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Profile image of Sahil
7 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer7 Years ago
Dear student
 
if (f, f) is wsked then it means
 
area of f2(x) between -1 to 1.
now are is zero only when f(x) = 0
otherwise it is some thing positive as.
 
Hope it helps