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Find the area of the parallelogram whose...

Find the area of the parallelogram whose diagonals are the vectors `3hat(i)+hat(j)-2hat(k)` and `hat(i)-3hat(j)+4hat(k)` ?

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The correct Answer is:
`5sqrt(3)` sq units
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Find the area of the parallelogram whose adjacent sides are gives by the vectors. 2 hat i + hat j + hat k and 2 hat i + hat j - hat k .

ARIHANT PRAKASHAN-VECTORS -TOPIC -2 (PRACTICE QUESTIONS) (1 MARK QUESTIONS)
  1. Find the component of the vector vec(b) = 8hat(i) + hat(j) in the dire...

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  2. Write a vector normal to (hat(i)+hat(k)) and (hat(i)+hat(j)).

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  3. Find the area of the parallelogram whose diagonals are the vectors 3ha...

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  4. Determine the value of m, for which the following vectors are orthogon...

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  5. Find the value of lambda such that the following vectors are coplanar...

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

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  7. Find the scalar projection of the vector vec a= 3 hat i+6 hat j+9 hat ...

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  8. Determine mu, for which the vector vec(a)=mu(6hat(i)+2hat(j)-3hat(k)) ...

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  9. Show that the vectors 2hat(i) + 3hat(j), 5hat(i) - 5hat(k) and 6hat(j)...

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  10. If vec(a).vec(b) = 0 and vec(a) xx vec(b) = vec(0), then draw the conc...

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  11. If vec(a)xxvec(b)=vec(b)xxvec(c )!=vec(0), then prove that vec(a)+ve...

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  12. What is the angle between the vectors 2hat(i) - hat(j) - hat(k) and ha...

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  13. Determine the area of the parallelogram whose sides are the vectors 2h...

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  14. Using vector method find the area of the triangle with vertices (1, 0,...

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  15. Write the angle between vec(a) and vec(c ), if vec(a)xx(vec(b)xxvec(c ...

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  16. What is (hat(i)-hat(j))*(hat(j)-hat(i)) ?

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  17. (2hat(i)-4hat(j))*(hat(i)+hat(j)+hat(k))= . . . .

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

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  19. Each question given below have four possible answers, out of which onl...

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  20. Each question given below have four possible answers, out of which onl...

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