can u plz solve it.....
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speed of boat in still water =x
speed of current=y
12/x+y = upstream
40/x-y= downstream
12/x+y + 40/x-y = 8 ---- (1)
16/x+y + 32
/x-y =8----(2)
1/ x+y =a ---(5)
1/x-y=b-----(6)
12a+ 40b=8----(3)
32a+16b=8-----(4)
then elimination methode
then substitute the value u get in in eq (5)&(6)
then you will get the ans
speed of current=y
12/x+y = upstream
40/x-y= downstream
12/x+y + 40/x-y = 8 ---- (1)
16/x+y + 32
/x-y =8----(2)
1/ x+y =a ---(5)
1/x-y=b-----(6)
12a+ 40b=8----(3)
32a+16b=8-----(4)
then elimination methode
then substitute the value u get in in eq (5)&(6)
then you will get the ans
generalRd:
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Answered by
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here is your answer
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