Question

find the image of (1,-2) with
respect do
to the straight line
2x - 3y + 5=0​

Answer 1

Answer:

If `Q(h, k)` is the image of the point `P(x_1, y_1)` w.r.to the straight line `ax +by+c=0 `then prove that `(h-x_1): a =(k - y_1):b=-2(ax_1 +by_1 +c): a^2+b^2` or `(h-x_1)/a=(k-y_1)/b=(-2(ax_1+by_1+c))/(a^2+b^2)` and find the image of `(1,-2)` w.r.t the straight line `2x-3y+5=0`

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