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.
1369
Find the square root of the following number by division method.
576
Find the number of digits in the square root of the following numbers (without any calculation).
64
Find the number of digits in the square root of the following numbers (without any calculation).
144
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.
6412
Find the square of the following number by visual method:
702
Write the prime factorization of the following number and hence find their square root.
7056
Find the square root the following by long division method:
974169
Find the square root the following by long division method:
120409
Find the least number which must be subtracted from the following numbers to make them a perfect square:
4401624
