the sum of the ages of two freinds is 20 years.four years the product of their ages was 48
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Let the ages of the friends be :- x and y
x+y = 20 ; x = 20-y
4 years ago..
(x-4)(y-4) = 48
(20-y-4)(y-4) = 48
(16-y)(y-4) = 48
16y-64-y2+4y = 48
-y2+20y-64 = 48
y2-20y+112=0
This equation has complex roots.Hence this equation cannot exist!
Hope this helps!!
cheers!! (:
★‡★
x+y = 20 ; x = 20-y
4 years ago..
(x-4)(y-4) = 48
(20-y-4)(y-4) = 48
(16-y)(y-4) = 48
16y-64-y2+4y = 48
-y2+20y-64 = 48
y2-20y+112=0
This equation has complex roots.Hence this equation cannot exist!
Hope this helps!!
cheers!! (:
★‡★
bhavin10:
ago
okay thank you!
i will edit it
ok
it's ago
since the helping verb used in the 2nd sentence is was and thus represents past.
okay done!
Answered by
1
hey the question is impossible....!!!!!
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if it could be more clear.. than a bit hazy...
but ur handwriting is awesome!!
thnks
is it ok now????
better than before..
ok
and really so pretty handwriting
but i thnk my writing is so bad
naa..
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