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what is the smallest natural number by which 1792 should be multiplied so that it becomes a perfect square? method |
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Answer» Step-by-step explanation: After the above Prime Factorisation we get : 2×2×2×2×2×2×2×2×7 so here now we will find the pairs: 2×2×2×2 Here we have 4 pairs of 2 but no pairs of 7 so when we add one 7 here i.e. when we multiply one 7 to 1792 we get perfect square. 1792×7=12544 so now LET's find the square ROOT of 12544 so now we have FOUR pairs of 2 and one pair of 7 so let's multiply it together: 2×2×2×2×7 = 112 So; we will get the square root of 12544 is 112 so as PER the QUESTION : 7 is the smallest number which can multiply by 1792 to get perfect square Hope it's Helps to you !! Thank you |
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