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(40*40*40 – 31*31*31)/(40*40+40*31+31*31)=?
Read Solution (Total 1)
this is direct que
----->> (a-b) = (a^3+b^3)/(a^2+ab+b^2)
let :a=40,b=31
then (a-b)=(40-31)=9
13 years ago
Helpfull: Yes(2) No(4)
TCS Other Question
Given a collection of 36points P in the plane and a point equidestent from all point in P.Which of the following are true?
a-point P lie on circle
Spores of a fungus,called late blight,grow and spread infection rapidly.these pathogens were responsible for Irish potato famina of mid-19th century.these seem to have attack the tomato crops in England this year.the tomato crop has reduce and the price of crop has risen.the price has already gone up to $45 abox from $27 a box month ago.how much more would a vegetable vendor need to payto buy27boxes this month over what he would pay last year.
a-$27
b-$18
c-$45
d-$486