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If f(x+y)=f(x)+kxy−2y2 ∀ x,y∈R and f(1)=2,f(2)=6, then which of the following is/are true : |
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Answer» If f(x+y)=f(x)+kxy−2y2 ∀ x,y∈R and f(1)=2,f(2)=6, then which of the following is/are true : |
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