EJU Mathematics Course 2 practice 98: Using the accompanying practice context, if vector v=4i+1j, what is 6v?
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Scalar multiplication multiplies every component.
Practice EJU Mathematics Course 2 questions with answers and explanations.
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Scalar multiplication multiplies every component.
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Scalar multiplication multiplies every component.
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f′(x)=10x+1; substitute x=7.
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An antiderivative is 6x²+4x, giving 416.
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The conjugate changes the sign of the imaginary part.
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z=(x−mean)/sd=2.
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Repeated multiplication gives 31381059609.
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The sum is 3(1+…+5)=3×15=45.
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Scalar multiplication multiplies every component.
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f′(x)=10x+5; substitute x=7.
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An antiderivative is 6x²+1x, giving 392.
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The conjugate changes the sign of the imaginary part.