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Chandrashekhar Wankhede 7 years, 9 months ago

a, a+d, a+2d, a+3d, ....... a+(n-1)d are terms in AP a, ar, a*r*r,........ a * ( r raise to power n-1 ) are terms in GP 1/a, 1/(a+d), 1/(a+2d),....., 1/(a + (n-1)d) are terms in HP
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Ram Sharma 8 years, 1 month ago

Velocity is defined as the distance travelled per unit time
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Im
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Sahil Pooner 8 years, 1 month ago

Because it's zero gravity field

Amar Kumar 8 years, 1 month ago

Black holes absorb all surrounding matter and energy within a certain proximity. For this reason, these celestial objects emit no light and therefore do not have a color or black in color.Black holes are the most dense objects in the universe. Because of their density, they form extremely powerful gravitational fields.

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