how are you going to assess your preparedness for earthquake hazards when an earthquake happens
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Answered by
0
Answer:
Correct option is
D
Both (A) and (B)
It is given that
a=
dt
dv
=
dt
d
(2t
2
e
−t
)
=2[t
2
e
−1
(−1)+e
−1
2t]
=e
−1
(4t−2t
2
)
So, a=0
⟹ 4t−2t
2
=0
Or 2t(2−t)=0
⟹ t=0 and t=2
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