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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` .

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RD SHARMA ENGLISH-STRAIGHT LINE IN SPACE -All Questions
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