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प्रश्न
x + (−x) = 0
विकल्प
True
False
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उत्तर
x + (−x) = 0 - True
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संबंधित प्रश्न
Identify the terms, their coefficients for the following expressions.
0.3a − 0.6ab + 0.5b
Write the coefficient of: mn in -mn
Write the degree of the following polynomial: p3q2 – 6p2q5 + p4q4
Write the degree of the following polynomial:
3x – 15
Add : 23y2 , 8y2 and – 12y2
Add : 2x + y and 3x – 4y
Add : - 3a + 2b and 3a + b
Find the sum of:
9ax – 6bx + 8, 4ax + 8bx – 7 and – 6ax – 4bx – 3
Simplify: 6a – 3 (a + b – 2)
To add two like terms, its coefficients can be added
Factorised form of p2 – 17p – 38 is ______.
The value of (3x3 + 9x2 + 27x) ÷ 3x is ______.
Some of the factors of `n^2/2 + n/2` are `1/2, n` and (n + 1).
Write the greatest common factor in the following terms.
63p2a2r2s, – 9pq2r2s2, 15p2qr2s2, – 60p2a2rs2
Identify the numerical coefficient of term (other than constant) in the following expression:
2(l + b)
Identify the numerical coefficient of term (other than constant) in the following expression:
0.1 y + 0.01 y2
Identify term which contain x and give the coefficient of x.
1 + x + xy
Identify term which contain y2 and give the coefficient of y2.
2x2y - 15xy2 + 7y2
Identify term and factor in the expression given below:
1.2 ab – 2.4 b + 3.6 a
Observe the following nutritional chart carefully:
| Food Item (Per Unit = 100g) | Carbohydrates |
| Rajma | 60g |
| Cabbage | 5g |
| Potato | 22g |
| Carrot | 11g |
| Tomato | 4g |
| Apples | 14g |
Write an algebraic expression for the amount of carbohydrates (in grams) for y units of potatoes and 2 units of rajma.
