Solve this mathematical riddle and leave the answer in the comments.
Very few can get it right in the first 5 seconds.
____
√9 x A = 81
Therefor what is the calue of A?
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Answer:
If you try to answer it immediately you might get it wrong.
Solve it and you will get the right answer.
So we have
____
√9 x A = 81
which can also be written as;
√9 x √A = 81
i.e. 3 x √A = 81
Therefore;
√A = 81/3
√A = 27
Squaring both sides you get;
A = 729 = Answer
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