Advertisements
Advertisements
प्रश्न
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(415)2
Advertisements
उत्तर
(415)2 = (400 + 15)2
= (400)2 + (15)2 + 2(400)(15)
= 160000 + 225 + 12000
= 172225
APPEARS IN
संबंधित प्रश्न
Expand : (a – 2b)2
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(208)2
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(188)2
The expanded form of the number is given. Write the number.
9,00,000 + 20,000 + 7000 + 800 + 5
The expanded form of the number is given. Write the number.
7,00,000 + 80,000 + 4000 + 500
The expanded form of the number is given. Write the number.
80,00,000 + 50,000 + 1000 + 600 + 9
Write the following numbers in standard notation.
8000000 + 70000 + 3000 + 30 + 5
Write the following numbers in expanded from.
28,48,387
Represent given values in Abacus.
Write the number name of the following numbers represented in the Abacus
Represent given values in Abacus.
Write in standard form: 7 lakhs + 5 thousands + 4 tens + 3 ones
