1
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
If $$A = \left[ {\matrix{
2 & { - 0.1} \cr
0 & 3 \cr
} } \right]$$ and $${A^{ - 1}} = \left[ {\matrix{
{{\raise0.5ex\hbox{$\scriptstyle 1$}
\kern-0.1em/\kern-0.15em
\lower0.25ex\hbox{$\scriptstyle 2$}}} & a \cr
0 & b \cr
} } \right]$$ then $$a+b=$$
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics