The coordinates of a moving particle at any time 't' are given by x= alpha t^(3) and y= beta t^(3). The speed of the particle at time 't' is given by

The coordinates of a moving particle at any time 't' are given by x= a

1.	The coordinates of a moving particle at any time 't' are given by x= alpha t^(3) and y= beta t^(3). The speed of the particle at time 't' is given by
Answer» `3t SQRT(ALPHA^(2)+BETA^(2))` `3t^(2) sqrt(alpha^(2)+beta^(2))` `t^(2) sqrt(alpha^(2)+beta^(2))` `sqrt(alpha^(2)+beta^(2))` ANSWER :B