Maths-
General
Easy
Question
If A =
, then A–1 =
Hint:
The correct answer is: ![fraction numerator 1 over denominator 7 end fraction](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAAjCAYAAACZ6FpfAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAHpJREFUeNpjYMAP1IC4FogvMFAIFgNxGhD/Z6ASGDVo1KBBYdB/LHgUDCbwn0w8CoZKDFIMQoF4NqWGiAPxYSDmoNSgTUBsQKkhGdCqmyIgD8QngZiFUoMOArEjNWJpG6WGMAHxDWoEcADUWxSD5UCcSA2DXgKxILGKAZgmMgcR9yTDAAAAYnRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtZnJhYz48bW4+MTwvbW4+PG1uPjc8L21uPjwvbWZyYWM+PC9tYXRoPrkdJIgAAAAASUVORK5CYII=)
![open square brackets table row cell negative 1 end cell cell negative 2 end cell row 4 1 end table close square brackets](data:image/png;base64,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)
we are given matrix A and asked to find A inverse
Therefore the correct option is choice 4
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