කාලය ඇසුරෙන් වූ , විස්ථාපන ශ්රිතයක ,වසම {t: teR , 0<=t } නිසා.t= 0 දී ශ්රිතයේ අවකල්යතාව පරික්ශා කරනකොට වමත් සීමාව පවතින්නේ නැහැනෙ. ඒ කියන්නේ t =0 විට ප්රවේගය අර්ථදක්වන්නෙ නැහැ නේද?
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In general can you use the standard form y – β = m(x – α) of a straight line of gradient m , going through a point (α,β) in the case of finding equation of a tangent line drawn to ...
There was an Olympiad question of evaluating the sum arccot(2) + arccot(3) by geometrical approach. My issue is how can you use only one figure to evaluate sum of infinite series of angles arccot(3) + arccot(7) + arccot(13)+….and show that ...
How can you prove that, f'(α) = 0 is not a necessary condition to exist a minimum point at x = α on the graph of y = f(x) ,where f'(x) is the derivative of f(x).
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Second derivative being a positive value at a point is not a necessary and sufficient condition to exist a local minimum at that particular point and the proof of this was already asked in an advanced level exam. If so ...