Advertisements
Advertisements
प्रश्न
Find the square of the following number using the identity (a − b)2 = a2 − 2ab + b2:
599
Advertisements
उत्तर
Decomposing: 599 = 600 − 1
Here, a = 600 and b = 1
Using the identity (a − b)2 = a2 − 2ab + b2:
5992 = (600 − 1)2 = 6002 − 2(600)(1) + 12 = 360000 − 1200 + 1 = 358801
संबंधित प्रश्न
Find the square root of the following number by division method.
3249
Find the square root of the following number by division method.
7921
Find the length of the side of a square whose area is 441 m2.
Find the squares of the following numbers using the identity (a + b)2 = a2 + 2ab + b2:
405
Find the squares of the following number using the identity (a + b)2 = a2 + 2ab + b2:
510
Find the squares of the following number using the identity (a + b)2 = a2 + 2ab + b2
1001
Find the squares of the following numbers using the identity (a + b)2 = a2 + 2ab + b2:
605
Find the square of the following by long division method:
12544
Which of the following numbers will have 6 at their unit’s place :
(i) 262
(ii) 492
(iii) 342
(iv) 432
(v) 2442
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
