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Find the shortest distance between the following two lines: ` vec r=(1+lambda) hat i+(2-lambda) hat j+(lambda+1) hat k` ; ` vec r=(2 hat i- hat j- hat k)+\ mu\ (2 hat i+ hat j+2 hat k)`

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Find the shortest distance between the lines vec r=(1-lambda)hat i+(lambda-2)hat j+(3-2 lambda)hat k and vec r=(mu+1)hat i+(2 mu+1)hat k

By computing the shortest distance determine whether the following pairs of lines intersect or not: vec r=( hat i- hat j)+lambda(2 hat i+ hat k)a n d vec r=(2 hat i- hat j)+mu( hat i+ hat j- hat k) vec r=( hat i+ hat j- hat k)+lambda(3 hat i- hat j)a n d vec r=(4 hat i- hat k)+mu(2 hat i+3 hat k) . (x-1)/2=(y+1)/3=za n d(x+1)/5=(y-2)/1; z=2 (x-5)/4=(y-7)/(-5)=(z+3)/(-5)a n d(x-8)/7=(y-7)/1=(z-5)/3 .

By computing the shortest distance determine whether the following pairs of lines intersect or not : -> r=( hat i- hat j)+lambda(2 hat i+ hat k)a n d\ -> r=(2 hat i- hat j)+mu( hat i+ hat j- hat k)dot

Find the shortest distance between the following lines whose vector equations are: vec r=(1-t)hat i+(t-2)hat j+(3-2t)hat k and vec r=(s+1)hat i+(2s-1)hat j-(2s+1)hat k

Find the shortest distance between the lines : vec(r) = (4hat(i) - hat(j)) + lambda(hat(i) + 2hat(j) - 3hat(k)) and vec(r) = (hat(i) - hat(j) + 2hat(k)) + mu (2hat(i) + 4hat(j) - 5hat(k))

Find the shortest distance between the straight lines vec r=(3hat i+hat j+2hat k)+lambda(hat i+2hat j-hat k) and vec r=(2hat i-3hat j+hat k)+mu(2hat i-hat j+3hat k)

Find the shortest distance between the lines vec r=(hat i+2hat j+hat k)+lambda(hat i-hat j+hat k) and ,vec r,=2hat i-hat j-hat k+mu(2hat i+hat j+2hat k)

Find the shortest distance between the lines vec r=(hat i+2hat j+hat k)+lambda(hat i-hat j+hat k) and vec r=(2hat i-hat j-hat k)+mu(2hat i+hat j+2hat k)

Find the shortest distance between the lines whose vector equations are quad vec r=(1-t)hat i+(t-2)hat j+(3-2t)hat k and vec r=(s+1)hat i+(2s-1)hat j-(2s+1)hat k

Find the shortest distance between the lines vec r=(4hat i-hat j)+lambda(hat i+2hat j-3hat k) and vec r=(hat i-hat j+2hat k)+mu(2hat i+4hat j-5hat k)

XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
  1. Evaluate: int0^pi(x dx)/(a^2cos^2\ \ x+b^2sin^2\ \ x)

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  2. Coloured bills are distributed in three bags as shown in the follow...

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  3. Find the shortest distance between the following two lines: vec r=...

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  4. The scalar product of the vector hat i+\ hat j+\ hat k\ with the ...

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  5. Find the equation of the plane determined by the points (A(3,-1,\ 2...

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  6. Evaluate: int0^pi(xtanx)/(secx+tanx)\ dxdot

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  7. Find the equation of line through the intersection of lines 3x+4y=7 an...

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  8. Differentiate the following with respect to x : x^(sinx)+(sinx)^(cosx)

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  9. Write the differential equation formed from the equation y=m x+c , ...

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  10. If vec a is a unit vector and ( vec x- vec a)dot( vec x+ vec a)=24 , ...

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  11. If A is a square matrix and |A| =2, then write the value of |A A ...

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  12. If A=|[3, 10],[ 2, 7]|, then write A^(-1)

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  13. Write the value of sin(2sin^(-1)(3/5)) .

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  14. If A is a 3xx3 matrix, whose elements are given by a(i j)=1/3|-3i+j...

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  15. Write the principal value of tan^(-1)(tan((9pi)/8))

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  16. For any three vectors vec a ,\ vec b and vec c , write the value...

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  17. Evaluate: int(x^2-3x)/((x-1)(x-2))dx

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  18. Evaluate: intsinxdot\ sin2x\ dotsin3x\ \ dxdot

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  19. A binary operation * on the set {0,1,2,3,4,5} is defined as: a*b={...

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  20. Let f: R rarr R be defined as f(x)=10 x+7. Find the function g: R ra...

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