Answer:
The value of
at t = √2 is
.
Explanation:
Given as :
x = t³ - 3 t
y = 3 t²
We have to calculate
at t = √2
Now,
=
Or,
=
- 3
Or,
= 3 t² - 3 ......A
Again
=
Or,
= 3 × 2 t
Or,
= 6 t ......B
So,
=

Or,
=

Or,
=

Or,
=

Or,
at t = √2
i.e
=

Or,
=

Or,
=

Hence, The value of
at t = √2 is
. Answer