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For what value of lambda, the vectors la...

For what value of `lambda`, the vectors `lambda hat(i) + 3hat(j) + lambda hat(k)` and `lambda hat(i) - 2hat(j) + hat(k)` are perpendicular to each others.

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MODERN PUBLICATION-TEST PAPER 2-PROBLEM
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  2. What is the differential equation whose solution is y = c (sin x + cos...

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  3. For what value of lambda, the vectors lambda hat(i) + 3hat(j) + lambda...

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  6. Let ~ be defined by (m,n)~(p,q) if mq=np where m, n, p,qinZ-{0}. Show ...

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  7. If A=[[2,1],[-1,3]], B=[[2,3],[1,1]] "and" C=[[1,0,2],[-2,3,0]],verify...

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  8. Prove that all the diagonal elements of a skew symmetric matrix are ze...

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  9. If x,y,z are positive and are the pth, qth and rth terms of a G.P. the...

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  10. Answer the following: What is the value of [[o,-h,-g],[h,o,-f],[g,f,...

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  11. Show that no two normals to a parabola are parallel.

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  12. Find the intervals where the following functions are (a) increasing an...

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  13. Find int (cos x /sin^(2) x + sin x ) dx

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  14. Evaluate : int(0) ^(pi/4) dx/cos x (cos x + sin x).

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  17. Prove the following by vector method. The parallelogram whose diagonal...

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  18. Prove that the two lines whose direction cosines are connected by the ...

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  19. A variable plane meets the coordinate axes at A, B, C and is at a cons...

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