Maths-
General
Easy
Question
Let X=
, D =
and A =
. If X = A–1 D, then X is equal to
The correct answer is: ![open square brackets table row cell 8 divided by 3 end cell row cell negative 1 divided by 3 end cell row 0 end table close square brackets](data:image/png;base64,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)
Since A = ![open square brackets table row 1 cell negative 1 end cell cell negative 2 end cell row 2 1 1 row 4 cell negative 1 end cell cell negative 2 end cell end table close square brackets](data:image/png;base64,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)
A–1 =![1 third](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAAjCAYAAACZ6FpfAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAKNJREFUeNpjYMAP1IC4FogvMFAIFgNxGhD/Z6ASGDVo1KBBYdB/LHgUDCbwn0w8CgYLcATibUD8DYh/APEtIJ4AxMKkGrQfiIOAmA1JzACId1DLpZ+oYYgSEN+gxABxIE6EhpMXNbJMAaVeEgTiACA+CcT21AgjHqhhVAE/qGGIHjTASQIHgTgUiFmAmAma0u8DcTypBtkC8RaoV35AU7oPPg0ArQs4erRAu/EAAABidEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1mcmFjPjxtbj4xPC9tbj48bW4+MzwvbW4+PC9tZnJhYz48L21hdGg+q+QgMwAAAABJRU5ErkJggg==)
![open square brackets table row cell negative 1 end cell 0 1 row 8 6 cell negative 5 end cell row cell negative 6 end cell cell negative 3 end cell 3 end table close square brackets](data:image/png;base64,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)
A–1 D = ![1 third](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAAjCAYAAACZ6FpfAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAKNJREFUeNpjYMAP1IC4FogvMFAIFgNxGhD/Z6ASGDVo1KBBYdB/LHgUDCbwn0w8CgYLcATibUD8DYh/APEtIJ4AxMKkGrQfiIOAmA1JzACId1DLpZ+oYYgSEN+gxABxIE6EhpMXNbJMAaVeEgTiACA+CcT21AgjHqhhVAE/qGGIHjTASQIHgTgUiFmAmAma0u8DcTypBtkC8RaoV35AU7oPPg0ArQs4erRAu/EAAABidEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1mcmFjPjxtbj4xPC9tbj48bW4+MzwvbW4+PC9tZnJhYz48L21hdGg+q+QgMwAAAABJRU5ErkJggg==)
![open square brackets table row 8 row cell negative 1 end cell row 0 end table close square brackets](data:image/png;base64,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)
= ![open square brackets table row cell 8 divided by 3 end cell row cell negative 1 divided by 3 end cell row 0 end table close square brackets](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAABGCAYAAAB4xUL+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAo9ZE6ZAAAAodJREFUeNrtnDFIw0AUhkMRESmCSBFxEEQcHERwchDpUkSKFMFBHMRFnMRdHAUHh9JBkFIcxE2cRFxEiji4iJOIIA4O0sVBpAQR9H/0FWJJ26uhl2vvHfxgXrhL72vuveR+1XFK7cdH7dpqzrWdJ64CRkCYCGICuhEQjpOFltsFRDeUgT4hF7qABhX6xaAXKFIRj0PnUJHHe4LSUJ/pIHLQDtQBdUK70K1Cvy1o2yd+BS3wWN4ldGE6CLfimL7hrzp9Inw3xBq4zofpIGhJRCsm+VqnzxLfSaptGHo0HQTlhw3P8RS0V6fPNTSpMHY/tMp5Ys50EOO8FEh56A2aDlgyK58CN02vGkPQMTTgSW70TT8zoKAlsxdKcfKdMRnEaZUJxzn7q5bMei2qWIlCA+E2eK5ayQx6rdBBPEAjPvExzhVBS6Y3Dz2ZDGKBYcR5ohH+mXLE+j9LJiXcRX5AK49HAFdMrxr0oe+4arg8kVSAkkkV54zHcjnXJOU1XPYjBISAEBACQkAICAEhIARE0NZMz6OlQDTT8wgFxCjvQdw30KfZnkcoII6gtQav12zPI9SloXo9HZ5HS4DQ4Xm0BAgdnofxIHR5HoFA/CgoKAhdnofRd4ROz8NoEDo9D2NB6PY8jAWh2/MIBYRKUtXtechruIAQEAJCQAgIASEgBISAEBACoi1B9ED7TmkjhXTAMetAXELznuMkx6wCQfsIGZ94mvcjrAFxAiV84nE+Zw2Id+evVVduFCvYBOK7xrkvAVFqrk0gClWWRpdtS4MS4qxPPGFbsqTfa8j6xA9tK5/UaPudTNvyH8uSu5W38cmSjNscJ8ciP2JH5aVL3j4FhIAwHYTV/2znF9QrO1SUA6ozAAABF3RFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtZmVuY2VkIGNsb3NlPSJdIiBvcGVuPSJbIiBzZXBhcmF0b3JzPSJ8Ij48bXRhYmxlPjxtdHI+PG10ZD48bW4+ODwvbW4+PG1vPi88L21vPjxtbj4zPC9tbj48L210ZD48L210cj48bXRyPjxtdGQ+PG1vPi08L21vPjxtbj4xPC9tbj48bW8+LzwvbW8+PG1uPjM8L21uPjwvbXRkPjwvbXRyPjxtdHI+PG10ZD48bW4+MDwvbW4+PC9tdGQ+PC9tdHI+PC9tdGFibGU+PC9tZmVuY2VkPjwvbWF0aD48webkAAAAAElFTkSuQmCC)
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