If the circles x 2 + y 2 + k x + 4 y + 2 = 0 and 2 ( x 2 + y 2 ) − 4 x − 3 y + k = 0 cut orthogonally, then k =

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

If the circles $x^2+y^2+k x+4 y+2=0$ and $2\left(x^2+y^2\right)-4 x-3 y+k=0$ cut orthogonally, then $k=$

MathematicsCircleAP EAMCETAP EAMCET 2017 (25 Apr Shift 2)

Options:

A $\frac{-10}{3}$
B $\frac{10}{3}$
C $\frac{5}{3}$
D $\frac{-5}{3}$

Solution:

2074 Upvotes Verified Answer

The correct answer is: $\frac{-10}{3}$

No solution. Refer to answer key.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play