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Find the value of lambda which makes the...

Find the value of `lambda` which makes the vectors ` vec a ,\ vec b` and ` vec c` coplanar, where ` vec a=2 hat i-\ hat j+\ hat k ,\ vec b=\ hat i+\ 2 hat j-\ 3 hat k` and ` vec c"\ "=3 hat i-\ lambda\ hat j+5 hat k`

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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
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  14. Solve the following differential equation: "x"("dy")/("dx")+"y"="x"lo...

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  15. Show that: int0^("pi"/2)"\ "sqrt(tan"x") +"\ "sqrt(cot"x")=sqrt(2)"pi...

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  16. Prove that the curves "x"="y"^2 and "x y"="k" intersect at right an...

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  17. Using properties of determinants, prove that following |(a+b+2c,a,b),(...

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  18. If |[x+2, 3],[x+5, 4]|=3 , find the value of x

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  19. Let "T" be the set of all triangles in a plane with "R" as relation...

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  20. Show that the points (1,0), (6,0), (0,0) are collinear.

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