Question

(40*40*40 – 31*31*31)/(40*40+40*31+31*31) ?

Answer 1

\[(40^3-31^3)/(40^2+(40(31) + (31)^3)\]
\[a^3-b^3=(a-b)(a^2+ab+b^2)\]
hence ::::::::::::;
\[40^3-31^3 = (40-31)(40^2+(40)(31) + 31^2)\]
now :::::::::::::::::;
\[{(9(40^2)+40(31) +31^2)/(40^2+40(31)+31^2)}\]
\[9\]

Answer 2

got it aman

Answer 3

yes thank u
i also find this answer on google.
but i did'nt able to understand dis....

Answer 4

ok aman no problem a medal would be great

Answer 5

well r u on facebook ?

Answer 6

yes

Answer 7

can u give me ur profile link of facebook >?

Answer 8

at dis time i m in office so i did'nt able to open the facebook

Answer 9

ok well what is ur name there , any email id or any thing else

Answer 10

plz send me your profilr link on my mail ie singhaman2055@gmail.com i will join from there

Answer 11

k aman

Answer 12

well please give me a medal

Answer 13

did u send ur link

Answer 14

https://www.facebook.com/kushashwaravi.shrimali

Answer 15

okies i will send u req in night

Answer 16

thanx a lot now i able to understand the problem

Answer 17

k