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If vec(a)=hat(i)-2hat(j)+3hat(k),vec(b)=...

If `vec(a)=hat(i)-2hat(j)+3hat(k),vec(b)=2hat(i)+hat(j)-2hat(k),vec(c)=3hat(i)+2hat(j)+hat(k)," find (i) "(vec(a)xxvec(b))xxvec(c)" (ii) "vec(a)xx(vec(b)xxvec(c))`

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If vec(a)=hat(i)-2hat(j)+3hat(k),vec(b)=2hat(i)+hat(j)-2hat(k),vec(c)=3hat(i)+2hat(j)+hat(k) find vec(a). (vec(a) xx vec(c )) .

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Knowledge Check

  • For vec(a)=hat(i)+hat(j)-2hat(k), vec(b)=-hat(i)+2hat(j)+hat(k) and vec(c)=hat(i)-2hat(j)+2hat(k) , then find the unit vector parallal to vec(a)+vec(b)+vec(c) is ...................... .

    A
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    B
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    C
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