Advertisements
Advertisements
प्रश्न
Sum of x2 + x and y + y2 is 2x2 + 2y2.
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Sum of x2 + x and y + y2
= (x2 + x) + (y + y2)
= x2 + y2 + x + y
APPEARS IN
संबंधित प्रश्न
Add: x2 - y2 - 1 , y2 - 1 - x2, 1- x2 - y2
Subtract: 6xy from − 12xy
Subtract: 4pq - 5q2 - 3p2 from 5p2 + 3q2 - pq
Add the following algebraic expression:
4xy2 − 7x2y, 12x2y − 6xy2, − 3x2y +5xy2
If \[x + \frac{1}{x} = 20,\]find the value of \[x^2 + \frac{1}{x^2} .\].
If x is a natural number, then x + 1 is its predecessor
The number of scarfs of length half metre that can be made from y metres of cloth is ______.
Add the following expressions:
a2 + 3ab – bc, b2 + 3bc – ca and c2 + 3ca – ab
How much is y4 – 12y2 + y + 14 greater than 17y3 + 34y2 – 51y + 68?
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 |
