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Let f(x,y)=x^(2)+2xy+3y^(2)-6x-2y, whe...

Let `f(x,y)=x^(2)+2xy+3y^(2)-6x-2y,`
where `x, y in R,` then

A

`f(x,y)ge-11`

B

`f(x,y)ge-10`

C

`f(x,y)ge-11`

D

`f(x,y)ge-12`

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ARIHANT MATHS-MONOTONICITY MAXIMA AND MINIMA-Exercise (Questions Asked In Previous 13 Years Exam)
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  14. If f(x)=x^(2)+2bx+2c^(2)and g(x)=-x^(2)-2cx+b^(2), such that minf(x)gt...

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  20. Consider the function f:(-oo, oo) -> (-oo ,oo) defined by f(x) =(x^2...

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  21. Consider the function f:(-oo, oo) -> (-oo ,oo) defined by f(x) =(x^2...

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