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.
529
Find the square root of the following number by division method.
1024
Find the least number that must be subtracted from the following number so as to get a perfect square. Also find the square root of the perfect square so obtained.
402
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
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 using the identity (a − b)2 = a2 − 2ab + b2:
995
Find the square root the following by long division method:
390625
Find the least number which must be subtracted from the following numbers to make them a perfect square:
4401624
Find the square root of: `(1764)/(2809)`
Find the square root by long division method
11025
