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प्रश्न
Find the square root of 324 by the method of repeated subtraction.
बेरीज
उत्तर
From the question it is given that 324
Now, we subtract successive odd numbers starting from 1 as:
324 – 1 = 323
323 – 3 = 320
320 – 5 = 315
315 – 7 = 308
308 – 9 = 299
299 – 11 = 288
288 – 13 = 275
275 – 15 = 260
260 – 17 = 243
243 – 19 = 224
224 – 21 = 203
203 – 23 = 180
180 – 25 = 155
155 – 27 = 128
128 – 29 = 99
99 – 31 = 68
68 – 33 = 35
35 – 35 = 0
Here we see 324 reduces to 0 after subtracting 18 odd numbers.
Therefore the square root of 324 is 18.
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