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TICILE LUI HUIUI 10 J.Example 3. Divide 16 into two parts such that twice the square of the larger partexceeds the square of the smaller part by 164.

Answer»

Let two parts of 16 are x and (16 - x)

As per given condition2x^2 = (16 - x)^2 + 1642x^2 = x^2 + 256 - 32x + 164x^2 + 32x - 420 = 0x^2 + 42x - 10x - 420 = 0x(x + 42) - 10(x + 42) = 0(x - 10)(x + 42) = 0x = 10, - 42

Negative value not possible

Thus, x = 10

Two parts of 16 are 10, 6



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