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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

Find the Cube-root of 343 - Mathematics

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प्रश्न

Find the cube-root of 250.047

योग
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उत्तर

250.047

= `(250047)/(1000)`

3 250047
3 83349
3 27783
3 9261
3 3087
3 1029
7 343
7 49
7 7
  1

 

 

 

 

 

 

 

 

 

 

= `((3 xx 3 xx 3) xx (3 xx 3 xx 3) xx (7 xx 7 xx 7))/((10 xx 10 xx 10)`

= `(3 xx 3 xx 7)/(10)`

= `(63)/(10)`

= 6.3

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अध्याय 4: Cubes and Cube Roots - Exercise 4 (B) [पृष्ठ ५१]

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सेलिना Concise Mathematics [English] Class 8 ICSE
अध्याय 4 Cubes and Cube Roots
Exercise 4 (B) | Q 7.6 | पृष्ठ ५१

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