Advertisements
Advertisements
प्रश्न
Find the squares of the following number using the identity (a + b)2 = a2 + 2ab + b2
1001
Advertisements
उत्तर
On decomposing:
1001 = 1000 + 1
Here, a = 1000 and b = 1
Using the identity (a + b)2 = a2 + 2ab + b2:
10012 = (1000 + 1)2 = 10002 + 2(1000)(1) + 12 = 1000000 + 2000 + 1 = 1002001
APPEARS IN
संबंधित प्रश्न
Find the square root of the following number by division method.
900
Find the number of digits in the square root of the following numbers (without any calculation).
390625
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.
252
A gardener has 1000 plants. He wants to plant these in such a way that the number of rows and the number of columns remain same. Find the minimum number of plants he needs more for this.
Find the square root the following by long division method:
363609
Find the square root the following by long division method:
20421361
Find the square root the following by long division method:
62504836
Find the square root the following by long division method:
82264900
Find the least number which must be subtracted from the following numbers to make them a perfect square:
4401624
`sqrt(1.96)` = ______.
