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

Find the Cube-root of − 512 343

Advertisements
Advertisements

प्रश्न

Find the cube-root of `(-512)/(343)`

बेरीज
Advertisements

उत्तर

`(-512)/(343)`

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

= `- root(3)((8 xx 8 xx 8)/(7 xx 7 xx 7)`

 = `- (8)/(7)`

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 3.6 | पृष्ठ ५१

संबंधित प्रश्‍न

Write the cubes of 5 natural numbers of which are multiples of 7 and verify the following:
'The cube of a multiple of 7 is a multiple of 73'.


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

7803


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

107811


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.


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

If a natural number n is of the form 3p + 2 then n3 also a number of the same type.


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

If a and b are integers such that a2 > b2, then a3 > b3.


Which of the following number is cube of negative integer - 42875 .


Find the cube root of the following natural number 35937 .


Three numbers are in the ratio 1 : 2 : 3. The sum of their cubes is 98784. Find the numbers.


Show that:

\[\frac{\sqrt[3]{729}}{\sqrt[3]{1000}} = \sqrt[3]{\frac{729}{1000}}\]


Find the  units digit of the cube root of the following number 226981 .


Making use of the cube root table, find the cube root 70 .


Find the cube-root of 1728.


Find the cube-root of `343/512`


Find the cube-root of -2197.


Find the cube-root of - 15.625.


If the cube of a squared number is 729, find the square root of that number


Find two smallest perfect square numbers which when multiplied together gives a perfect cube number


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


Square root of a number x is denoted by `sqrt(x)`.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×