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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

X + (−x) = 0

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प्रश्न

x + (−x) = 0

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
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उत्तर

x + (−x) = 0 - True 

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अध्याय 3: Algebra - Exercise 3.1 [पृष्ठ ५८]

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सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 3 Algebra
Exercise 3.1 | Q 2. (i) | पृष्ठ ५८

संबंधित प्रश्न

Identify the terms, their coefficients for the following expressions.

0.3a − 0.6ab + 0.5b


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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)


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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:

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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.


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