मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Find the Cube-root of 343 512 - Mathematics

Advertisements
Advertisements

प्रश्न

Find the cube-root of `343/512`

बेरीज
Advertisements

उत्तर

`(343)/(512)`

= `root(3)(343/512)`

= `sqrt(7 xx 7 xx 7)/sqrt(8 xx 8 xx 8)`

= `(7)/(8)`

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Cubes and Cube Roots - Exercise 4 (B) [पृष्ठ ५१]

APPEARS IN

सेलिना Concise Mathematics [English] Class 8 ICSE
पाठ 4 Cubes and Cube Roots
Exercise 4 (B) | Q 2.3 | पृष्ठ ५१

संबंधित प्रश्‍न

Find the smallest number by which of the following number must be multiplied to obtain a perfect cube.

675


What is the smallest number by which the following number must be multiplied, so that the products is perfect cube?

7803


By taking three different values of n verify the truth of the following statement:

If n leaves remainder 1 when divided by 3, then n3 also leaves 1 as remainder when divided by 3.


Write true (T) or false (F) for the following statement:

 No cube can end with exactly two zeros.


Write true (T) or false (F) for the following statement:

 For an integer aa3 is always greater than a2.


Find the smallest number that must be subtracted from those of the numbers in question 2 which are not perfect cubes, to make them perfect cubes. What are the corresponding cube roots?


Find the cube root of the following natural number 74088000 .


Find the cube root of the following natural number 1157625 .


What is the smallest number by which 8192 must be divided so that quotient is a perfect cube? Also, find the cube root of the quotient so obtained.


Find the cube root of the following integer −753571.


Show that: \[\sqrt[3]{64 \times 729} = \sqrt[3]{64} \times \sqrt[3]{729}\]


Find the  units digit of the cube root of the following number 571787 .


Making use of the cube root table, find the cube root
7800


Find if the following number is a perfect cube?
1728


Find the cube-root of - 15.625.


Find the cube-root of 250.047


Find the smallest number by which 200 should be multiplied to make it a perfect cube


`root(3)(1000)` is equal to ______.


The cube root of a number x is denoted by ______.


If a2 ends in 5, then a3 ends in 25.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×