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Solution - If the Angle Between the Lines Represented by ax^2 + 2hxy + by^2 = 0 is Equal to the Angle Between the Lines 2x^2 - 5xy + 3y^2 =0 - Angle Between Two Lines

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Question

If the angle between the lines represented by ax2 + 2hxy + by2 = 0 is equal to the angle between the lines 2x2 - 5xy + 3y2 =0,

then show that 100(h2 - ab) = (a + b)2

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Find the acute angle between the lines whose direction ratios are 5, 12, -13 and 3, - 4, 5.

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Solution for question: If the Angle Between the Lines Represented by ax^2 + 2hxy + by^2 = 0 is Equal to the Angle Between the Lines 2x^2 - 5xy + 3y^2 =0 concept: Angle Between Two Lines. For the courses 12th HSC Arts, 12th HSC Science (Computer Science), 12th HSC Science (Electronics), 12th HSC Science (General)
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