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What are the possible expressions for the dimensions of the cuboids whose volume is given below? Volume : 3x2 – 12x - Mathematics

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प्रश्न

What are the possible expressions for the dimensions of the cuboids whose volume is given below?

Volume : 3x2 – 12x
बेरीज

उत्तर

Volume of cuboid = Length × Breadth × Height

The expression given for the volume of the cuboid has to be factorised. One of its factors will be its length, one will be its breadth, and one will be its height.

3x2 – 12x = 3(x2 – 4x) = 3 × x × (x – 4)

Possible expression for length = 3

Possible expression for breadth = x

Possible expression for height = (x – 4)

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पाठ 2: Polynomials - Exercise 2.5 [पृष्ठ ५०]

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एनसीईआरटी Mathematics [English] Class 9
पाठ 2 Polynomials
Exercise 2.5 | Q 16.1 | पृष्ठ ५०

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