If three non-zero real numbers $a, b, c$ are in harmonic progression, then the straight lines…

If three non-zero real numbers $a, b, c$ are in harmonic progression, then the straight lines $\frac{x}{a}+\frac{y}{b}-\frac{2}{c}=0$ are concurrent at the point
  1. $(1,-2)$
  2. $(-2,4)$
  3. $(4,-2)$
  4. $(-2,-4)$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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