X^6+y^6=1 d/dx x^6+d/dx y^6=d/dx 1 6x^5+6y^5y'=0 6y^5y'=-6x^5 y'(6y^5)=-6x^5 y'=(-6x^5 )/(6y^5) now for y'' use the quotient rule.
The clear distinction
between accident and Risky Behavior is that Accidents are not much predictable
or at times not at all predictable while risky behaviors are.<span>
For example a person climbing a staircase may slip and fell
on the floor is an example of accident where the person did not predict at all
if that is going to happen.
<span>In risky behavior a person may start consuming alcohol which
he/she knows can get him into some specific kind of trouble but still he/she
dos that, or someone skips class to attend to some other need knowing the risk
but still takes it.</span></span>
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