Advertisements
Advertisements
प्रश्न
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(92)2
योग
Advertisements
उत्तर
(92)2 = (100 − 8)2
= (100)2 + (8)2 − 2(100) (8)
= 10000 + 64 − 1600
= 10064 − 1600
= 8464
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Expand : (a – 2b)2
Find the square of `2"a"-1/"a"`
Find the square of 607
Write the place name and place value of digit in the following number.
7,82,899
Write the place name and place value of digit in the following number.
82,74,508
Write the place value of the underlined digit.
89,99,988
The expanded form of the number is given. Write the number.
80,00,000 + 50,000 + 1000 + 600 + 9
Write the following numbers in expanded from.
63,570
Represent given values in Abacus.
Write in standard form: 7 lakhs + 5 thousands + 4 tens + 3 ones
Write in expanded form:
574021
