Advertisements
Advertisements
प्रश्न
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(208)2
योग
Advertisements
उत्तर
(208)2 = (200 + 8)2
= (200)2 + (8)2 + 2(200) (8)
= 40000 + 64 + 3200
= 43264
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Find the square of 2x − 5y
Find the square of `5-x+2/x`
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(415)2
Find the square of 9.7
Write the following numbers in expanded from.
63,570
Write the following numbers in expanded from.
28,48,387
Find the face value and place value of the digits coloured in the given numbers.
5136
Find the face value and place value of the digits coloured in the given numbers.
4038
Complete the given table.
| Number | Expanded Form | |
| a | 6785 | |
| b | 4000 + 200 + 90 + 6 | |
| c | 3000 + 300 + 20 + 7 | |
| d | 9999 | |
| e | 5000 + 70 + 1 | |
| f | 2934 |
Write in expanded form:
574021
