#### Question

If θ is the measure of acute angle between the pair of lines given by `ax^2+2hxy+by^2=0,` then prove that `tantheta=|(2sqrt(h^2-ab))/(a+b)|,a+bne0`

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Solution for question: If θ is the measure of acute angle between the pair of lines given by ax2+2hxy+by2=0, then prove that tanθ=∣(2(h2−ab))/(a+b)∣,a+b≠0 concept: Acute Angle Between the Lines. For the courses HSC Arts, HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)