Advertisements
Advertisements
प्रश्न
Find the least number which must be added to the following number so as to get a perfect square. Also find the square root of the perfect square so obtained.
525
Advertisements
उत्तर
The square root of 525 can be calculated by the long division method as follows:
| 22 | |
| 2 | `bar5 bar25` -4 |
| 42 | 125 -84 |
| 41 |
Clearly, 222 = 484 < 525
232 = 529 > 525
Hence, the number to be added is 529 - 525 = 4 and the square root of 529 is 23.
APPEARS IN
संबंधित प्रश्न
Find the least number which must be added to the following number so as to get a perfect square. Also find the square root of the perfect square so obtained.
1750
Find the squares of the following number using the identity (a + b)2 = a2 + 2ab + b2
1001
Find the square root the following by long division method:
1471369
Find the least number which must be subtracted from the following numbers to make them a perfect square:
16160
Find the square root of 7.832 correct to: 2 decimal places
Find the least number which must be subtracted from 1205 so that the resulting number is a perfect square.
Which of the following numbers will not have 1 (one) at their unit’s place :
(i) 322
(ii) 572
(iii) 692
(iv) 3212
(v) 2652
Square of which of the following numbers will not have 6 at their unit’s place :
(i) 35
(ii) 23
(iii) 64
(iv) 76
(v) 98
Find the least number that must be subtracted to 6666 so that it becomes a perfect square. Also, find the square root of the perfect square thus obtained
