Advertisements
Advertisements
प्रश्न
Expand : (2a + b)2
Advertisements
उत्तर
(2a + b)2 = (2a)2 + (b)2 + 2 × 2a × b ......[(a+b)2 = a2 + b2 + 2ab]
= 4a2 + b2 + 4ab
APPEARS IN
संबंधित प्रश्न
Expand : (a – 2b)2
Find the square of `2"x"+1/"x"+1`
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(92)2
Evaluate using the expansion of (a + b)2 or (a – b)2:
(9.4)2
Write the place name and place value of digit in the following number.
7,82,899
Write the following numbers in standard notation
30000 + 3000 + 300 + 30 + 3
Write the following numbers in standard notation.
200000 + 7000 + 7
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.
1379
Find the face value and place value of the digits coloured in the given numbers.
9876
