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(x±a)(x±b) = x²±(a+b)x+ab.

Divide 4840 i...

Question

Divide 4840 into three parts proportional to 5 : 7 : 10 is 1100, 1540 and 2200
If true then enter $1$ and if false then enter $0$

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Solution

Let the parts be $5 a, 7 a, 10 a$
So, $5 a + 7 a + 10 a = 4840$
$22 a = 4840$
$a = 220$
Hence, the required parts are $5 a = 1100, 7 a = 1540, 10 a = 2200$

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