Question

Give one example each to show that the rational numbers are closed under addition,subtraction,multiplication. Are rational numbers closed under division?give two examples in support of your answer

Answer 1

Answer:

(a/b )+(c/d)= (ad+bc)/bd

(a/b )-(c/d)= (ad-bc)/bd

(a/b )*(c/d)= ac/bd

(a/b )/(c/d)= ad/bc

now for above case if c=0 then ad/bc will become infinity.i.e. not a rational number.

Answer 2

Answer:

hi Sanjay

Step-by-step explanation:

Vinneth beepkumar from jordindian here . Hope you have a great day ahead man. Tell me when your birthday is i will surely wish you.

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