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प्रश्न
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(188)2
उत्तर
(188)2 = (200 − 12)2
= (200)2 + (12)2 − 2(200) (12)
= 40000 + 144 − 4800
= 40144 − 4800
= 35344
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संबंधित प्रश्न
Expand : (a – 2b)2
Find the square of `2"x"+1/"x"+1`
Write the place value of the underlined digit.
3,52,749
The expanded form of the number is given. Write the number.
60,000 + 4000 + 600 + 70 + 9
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.
80,00,000 + 50,000 + 1000 + 600 + 9
Write the following numbers in expanded from.
36,01,478
Represent given values in Abacus.
Write in standard form: 7 lakhs + 5 thousands + 4 tens + 3 ones
Find the face value and place value of the digits coloured in the given numbers.
2010
Write in expanded form:
8907010
