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If x and y are integers such that x2 > y2, then x3 > y3. - Mathematics

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प्रश्न

If x and y are integers such that x2 > y2, then x3 > y3.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य

उत्तर

This statement is False.

Explanation:

Given: Integer x and y

For an integer x and y as (– 1) and (– 2) respectively.

x2 > y2 ⇒ (– 2)2 > (– 1)2 = 4 > 1 (true)

And x3 > y3 ⇒ (– 2)3 > (– 1)3 = – 8 > – 1 (not true)

As – 8 < – 1

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अध्याय 3: Square-Square Root and Cube-Cube Root - Exercise [पृष्ठ ९२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 3 Square-Square Root and Cube-Cube Root
Exercise | Q 68. | पृष्ठ ९२

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