$3.$ Equation of circle passing through $\left(-1,-2\right)$ and concentric with the circle $x^{2}+y^{2}+3x+4y+1=0$ $1\right)$ $x^{2}+y^{2}+3x+4y+6=0$ $2\right)$ $x^{2}+y^{2}-3x-4y+6=0$ $3\right)$ $x^{2}+y^{2}+3x+4y-6=0$ $4\right)$ $x^{2}+y^{2}+3x-4y-6=0$

$x+y+z=3$ $x+2y+3z=4$ $x+4y+9z=6$ $m$ $4^{°}$ $41$

The locus of the middle points of chords of hyperbola $3x^{2}-2y^{2}+4x-6y=0p$ 0,parallel $t0y=2\times 1s$ $\left(A\right)$ $3x-4y=4$ $\left(B\right)$ $3y-4x+4=0$ $\left(C\right)$ $4\times -4y=3$ $D\right)$ $3x-4y=2$ $\left($ (D)

The locus of the middle points of chords of hyperbola $3x^{2}-2y^{2}+4x-6y=0$ 0,parallel to $0y=2\times 1s$ $\left(A\right)$ $3\times -4y=4$ $\left($ (B) $8\right)$ $3y-4x+4=0$ $\left($ (C) $5\right)$ $4x-4y=3$ $\left($ (D) $\right)$ $3\times -4y=2$

$-5\times +7=3x-9$

$-5\times +7=3x-9$