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TIFR ECE 2016 | Question: 15

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1 1 vote

What is
\[
\max _{x, y}\left[\begin{array}{ll}
x & y
\end{array}\right]\left[\begin{array}{cc}
3 & \sqrt{2} \\
\sqrt{2} & 2
\end{array}\right]\left[\begin{array}{l}
x \\
y
\end{array}\right]
\]
subject to
\[
x^{2}+y^{2}=1 ?
\]

  1. $1$
  2. $\sqrt{2}$
  3. $2$
  4. $3$
  5. $4$

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