Agricultural Engineering > GATE 2020 > Vector Calculus
A particle moves along the curve R = (2t³ + 4t²) i + (3t² - 5t) j + (7t² + 6t) k, where t is the time. The velocity component of the particle in the direction 3i + 2j + k at time t = 2 is
A
122 / √14
B
122
C
168 / √14
D
168

Correct : c

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