Simplify: 3x(x – 1) – 7x2 :
Answer the questions based on the information given below.
If '+' is '×', '-' is '+', '×' is '÷' and '÷' is '-' 28 ÷ 16 × 2 + 3 - 1 = ?
Answer the questions based on the information given below.
If '+' is '×', '-' is '+', '×' is '÷' and '÷' is '-' 15 × 5 ÷ 3 + 1 - 1 = ?
Answer the questions based on the information given below.
If '+' is '×', '-' is '+', '×' is '÷' and '÷' is '-' 9 - 3 + 2 ÷ 16 × 2 = ?
What is the normal shape of the orbits of planets?
On which river is Hirakud Dam built?
Which of the following is not one of Kepler's rules for planetary bodies?
A planet's orbit is an ellipse with the Sun at one of the two foci.
A line segment connecting a planet and the sun sweeps out equal areas during equal intervals of time.
The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.
The orbital period depends on the mass of the planet