2. Let Ā and B be nonzero vectors. Find k e R such that B – kĀ is orthogonal to Ā – B.

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A: We will find minima, maxima or saddle point.

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Q: 10

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A: f(x)=ln(x-9)Since f(x) is log functionIt is defined for all( x-9)>0⇒x>9

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A: To evaluate: ∫2x-1(x-2)(x+1)dx

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Q: 300÷2

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