Advertisements
Advertisements
प्रश्न
Add: 7mn, 5mn
Advertisements
उत्तर
7mn + 5mn = (7 + 5)mn
= 12mn
APPEARS IN
संबंधित प्रश्न
Add: 14x + 10y - 12xy - 13, 18 - 7x - 10y + 8xy, 4xy
Add: 3p2q2 - 4pq + 5, - 10p2q2, 15 + 9pq + 7p2q2
If \[x + \frac{1}{x} = 20,\]find the value of \[x^2 + \frac{1}{x^2} .\].
Add:
3y2 − 10y + 16; 2y − 7
Add: 8x, 3x
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
On simplification `(3x + 3)/3` = ______.
Add:
7a2bc, –3abc2, 3a2bc, 2abc2
Each symbol given below represents an algebraic expression:
= 2x2 + 3y,
= 5x2 + 3x,
= 8y2 – 3x2 + 2x + 3y
The symbols are then represented in the expression:

Find the expression which is represented by the above symbols.
At age of 2 years, a cat or a dog is considered 24 “human” years old. Each year, after age 2 is equivalent to 4 “human” years. Fill in the expression [24 +
(a – 2)] so that it represents the age of a cat or dog in human years. Also, you need to determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.
| Age | [24 + (a – 2)] |
Age (Human Years) |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
(a – 2)] 