If A = (2 2 9 4) and I = (1 0 0 1) then 10A^–1 is equal to:

Matrices and Determinants: JEE Main 2020 Mathematics question

JEE Main 2020 · 8 Jan, Evening shift · Q4501

JEE Main 20208 Jan, Evening shiftMathematicsMediumMatrices and Determinants245× since 2002

A = \left( {\matrix{ 2 & 2 \cr 9 & 4 \cr } } \right)

and

I = \left( {\matrix{ 1 & 0 \cr 0 & 1 \cr } } \right)

then 10A^–1 is equal to :

JEE Main 2020 · 8 Jan, Evening shift · Q4501

JEE Main 20208 Jan, Evening shiftMathematicsMediumMatrices and Determinants245× since 2002

A = \left( {\matrix{ 2 & 2 \cr 9 & 4 \cr } } \right)

and

I = \left( {\matrix{ 1 & 0 \cr 0 & 1 \cr } } \right)

then 10A^–1 is equal to :