HARD
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What was the main reason for the division of the Mongol Empire after Genghis Khan's death?
(a)Disputes among his sons
(b)Military defeats
(c)Economic crisis
(d)Natural disasters

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Important Questions on Limits and Derivatives
EASY
If , then the derivative of at is:

EASY
A body of mass moving with velocity explodes into two equal parts. If one part comes to rest and the other part moves with velocity ; what would be the value of ?

MEDIUM
A mass attached to a horizontal spring executes of amplitude . When the mass passes through its mean position, then a smaller mass is placed over it and both of them move together with amplitude . The ratio of is

MEDIUM
If where is a constant, when is stationary, is equal to -

MEDIUM
Find in the following case

MEDIUM
If , then as a function of is -

MEDIUM
Find in the following case

MEDIUM
Differentiate the following functions with respect to .

EASY
Find in the following case

EASY
Find in the following case

EASY
Find in the following case:

EASY
If , then is equal to:

