MCQ
$a + i b > c + id$ can be explained only when:
- A$b = 0, c = 0$
- ✓$b = 0, d = 0$
- C$a = 0, c = 0$
- D$a = 0, d = 0$
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$2.$ Equation of a common tangent with positive slope to the circle as well as to the hyperbola is
$(A)$ $2 x-\sqrt{5} y-20=0$ $(B)$ $2 x-\sqrt{5} y+4=0$
$(C)$ $3 x-4 y+8=0$ $(D)$ $4 x-3 y+4=0$
$2.$ Equation of the circle with $\mathrm{AB}$ as its diameter is
$(A)$ $x^2+y^2-12 x+24=0$ $(B)$ $x^2+y^2+12 x+24=0$
$(C)$ $\mathrm{x}^2+\mathrm{y}^2+24 \mathrm{x}-12=0$ $(D)$ $x^2+y^2-24 x-12=0$
Give hte answer question $1, 2$
Statement $2:$ Every tangent to the parabola, $y^2 = -4x$ will meet its axis at a point whose abscissa is non-negative.