find the smallest number which divides 2205 to make its square root a rational number
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Solution:-
Prime factors of 2205 = 3×3×5×7×7
So, the prime factor 5 does not occur in pair. So the given number is not a perfect square. in order to make it a perfect square, it must be divided by 5.
2205÷5 = 441
441 is a perfect square.
√441 = 21
21 is a rational number.
Prime factors of 2205 = 3×3×5×7×7
So, the prime factor 5 does not occur in pair. So the given number is not a perfect square. in order to make it a perfect square, it must be divided by 5.
2205÷5 = 441
441 is a perfect square.
√441 = 21
21 is a rational number.
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The answer is 21. Please Mark me as brainliest
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