Advertisements
Advertisements
प्रश्न
If a = 2 and b = 3, find the value of ab − a2
उत्तर
Substituting a = 2 and b = 3 in the given expression:
\[(2 \times 3) - (2 )^2 = 6 - 4\]
\[ = 2\]
APPEARS IN
संबंधित प्रश्न
If p = −2, q = −1 and r = 3, find the value of p3 + q3 + r3 + 3pqr
Write the numerical coefficient of ab
Write the constant term of 3x2 + 5x + 8
Write all the terms of the algebraic expressions:
9x3 − 5z4 + 7z3 y − xyz
The table given below shows the results of the matches played by 8 teams in a Kabaddi championship tournament.
| Teams | A | B | C | D | E | F | G | H |
| Total Matches played | 8 | 7 | n | a | 9 | 10 | 8 | y |
| Matches won | 5 | 6 | 4 | 7 | b | 6 | x | 3 |
| Matches lost | k | m | 6 | 2 | 3 | c | 4 | 6 |
Find the value of all the variables in the table given above
‘8 more than three times the number x’ can be written as ______.
p is divided by 11 and the result is added to 10.
Sharad used to take p cups tea a day. After having some health problem, he takes p – 5 cups of tea a day.
The number of students dropping out of school last year was m. Number of students dropping out of school this year is m – 30.
Identify the operations (addition, subtraction, division, multiplication) in forming the following expression and tell how the expression have been formed.
z + 1, z − 1, y + 17, y − 17
