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Steps are given to locate the directrix of hyperbola when axis and foci are given. Arrange the steps. i. Draw a line joining A with the other Focus F. ii. Draw the bisector of angle FAF1, cutting the axis at a point B. iii. Perpendicular to axis at B gives directrix. iv. From the first focus F1 draw a perpendicular to touch hyperbola at A.
If the equation of parabola is 3y2 = 8x then which of the following statements is/are true: Equation of directrix is: 3x + 2 = 0 Equation of axis is: y = 0 Equation of latus rectum is: 3x - 2 = 0
Find the vertex and latus rectum of parabola, whose axis is parallel to Y - axis and which passes through the points (0, 2), (1, 3) and (-2, 6), is
Consider the following statements: A ray parallel to the principal axis incident on a concave mirror after reflection passes through the focus. A ray passing through the center of curvature of a concave mirror after reflection is reflected back along the same path. A ray passing through the center of curvature of a concave mirror after reflection passes through the focus. Which of the following statement is INCORRECT?
What is the name of the line which passes through the focus and is perpendicular to the directrix?
Which of the following statements about the large intestine are correct? A. It includes the caecum, colon, rectum, and anal canal. B. The last stages of chemical digestion occur in the large intestine through bacterial action. Substances are further broken down and some vitamins are synthesized. C. The large intestine absorbs water, ions and vitamins. D. The elimination of faces from the rectum is called defecation. Defecation is a reflex action aided by voluntary contractions of the diaphragm and abdominal muscles. Choose the correct answer from the options given below:
y2 = 10 x  পরাবৃত্তের (parabola) নাভিলম্বের (latus rectum) দৈর্ঘ্য কত ?
y2 = 10x  পরাবৃত্তের (parabola) নাভিলম্বের (latus rectum) দৈর্ঘ্য কত ?
 2x2+3y2=1 উপবৃত্তের (ellipse) উপকেন্দ্রিক লম্বের (latus rectum) দৈর্ঘ্য কত?
What is the area of the parabola y2 = x bounded by its latus rectum?