Math, asked by ma3ndr4ijayaram, 1 year ago

rationalise the denominator of 21 root 7

Answers

Answered by k23

3

its simple just multiply root7 in numerator and denominator

Attachments:

Answered by MANIDEEP45

0

21√7*√7/√7

21*√7/7
3√7

Previous Question

Next Question

Similar questions

Math, 10 months ago

Is x + y a factor of x⁴ – y⁴? using long division method: ...

Math, 10 months ago

let set a = (2,4,6,8) and set b= 2,2,4,6,8,6,) then set a and b are ...

Math, 10 months ago

Plz guys do this....... If you don't know answer then, चलते बनो कुछ भी गलत type मत करना ...

Physics, 1 year ago

it is much easier to burst an inflated balloon with the help of a needle than by a finger. explain...

English, 1 year ago

in hornbill of class 11 " what was the turning point of authors friendship with his grandmother when he shifted to the city ".

Geography, 1 year ago

What is the mystery behind bermuda triangle...

Science, 1 year ago

Wind energy is a converted form of ____ Fill in the blanks with suitable word.

Science, 1 year ago

The first element of 14th group is carbon which is a non-metal. The metallic members of this group are ____ Fill in the blanks...