Advertisements
Advertisements
प्रश्न
Find the square of 3a − 2b − 5c
Advertisements
उत्तर
(3a − 2b − 5c)2 = (3a)2 + (−2b)2 + (−5c)2 + 2 × 3a × −2b + 2 × (−2b)(−5c) + 2 × −5c × 3a
= 9a2 + 4b2 + 25c2 − 12ab + 20bc − 30ca
APPEARS IN
संबंधित प्रश्न
Find the square of 391
Write the place name and place value of digit in the following number.
35,705
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 expanded from.
1,45,70,004
Represent given values in Abacus.
3 Ten crores, 7 crores, 6 ten lakhs, 7 lakhs, 4 tens and 7 ones.
Represent given values in Abacus.
Write the number name of the following numbers represented in the Abacus
Find the face value and place value of the digits coloured in the given numbers.
9876
Find the face value and place value of the digits coloured in the given numbers.
8965
Find the face value and place value of the digits coloured in the given numbers.
4038
