Find the Integral $\int \left( 2 t \mathbf { i } + 9 t ^ { 2 } \mathbf { j } + 7 \mathbf { k } \right) d t$

question 87

Multiple Choice

Find the integral $\int \left( 2 t \mathbf { i } + 9 t ^ { 2 } \mathbf { j } + 7 \mathbf { k } \right) d t$

• A) \(2 t ^ { 2 } \mathbf { i } + 9 t ^ { 3 } \mathbf { j } + 7 t \mathbf { k } + \mathbf { C }\)
• B) \(t ^ { 2 } \mathbf { i } + 3 t ^ { 3 } \mathbf { j } + 7 t \mathbf { k } + \mathbf { C }\)
• C) \(2 t \mathbf { i } + 9 t ^ { 2 } \mathbf { j } + 7 \mathbf { k } + \mathbf { C }\)
• D) \(2 \mathbf { i } + 18 t \mathbf { j } + \mathbf { C }\)

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