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Find the value of p , if (2 hat i+6 hat ...

Find the value of `p ,` if `(2 hat i+6 hat j+27 hat k)` x (` hat i+3 hat j+p hat k)= vec0`

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Find lambda if (2 hat i+6 hat j+14 hat k)xx\ ( hat i-\ lambda hat j+7 hat k)= vec0

Find lambda and mu if (2 hat i+6 hat j+27 hat k)xx( hat i+lambda hat j+mu hat k)= vec 0 .

Find lambda and mu if (2 hat i+6 hat j+27 hat k)xx( hat i+lambda hat j+mu hat k)= hat0dot

Find the magnitude of vec a give by vec a=( hat i+2 hat j-2 hat k)xx(- hat i+3 hat k)

The line through hat i+3 hat j+2 hat k and _|_ to the line vec r=( hat i+2 hat j- hat k)+lambda(2 hat i+ hat j+ hat k)a n d vec r=(2 hat i+6 hat j+ hat k) +mu( hat i+2 hat j+3 hat k) is a. vec r=( hat i+2 hat j- hat k)+lambda(- hat i+5 hat j-3 hat k) b. vec r= hat i+3 hat j+2 hat k+lambda( hat i-5 hat j+3 hat k) c. vec r= hat i+3 hat j+2 hat k+lambda( hat i+5 hat j+3 hat k) d. vec r= hat i+3 hat j+2 hat k+lambda(- hat i-5 hat j-3 hat k)

Find the values of x, y and z so that the vectors vec a=x hat i+2 hat j+z hat k and vec b=2 hat i+y hat j+ hat k are equal.

find the value of x,y and z so that the vectors vec a= x hat i+ 2 hat j+z hat k and vec b = 2 hat i +y hat j +hat k are equal

Find lambda + mu if (2hat(i) + 6hat(j) + 27 hat(k)) xx (hat(i) + lambda hat(j) + mu hat(k)) = vec(0) .

Find the angle between the line vec r = (2 hat i-hat j +3 hat k)+ lambda (3 hat i-hat j+2 hat k ) and the plane vec r.(hat i + hat j + hat k)=3

Find the volume of the parallelepiped whose coterminous edges are represented by the vectors: i, vec a=2 hat i+3 hat j+4 hat k , vec b= hat i+2 hat j- hat k , vec c=3 hat i- hat j+2 hat k ii, vec a=2 hat i-3 hat j+4 hat k , vec b= hat i+2 hat j- hat k , vec c=3 hat i- hat j-2 hat k iii, vec a=11 hat i , vec b=2 hat j , vec c=13 hat k iv, vec a= hat i+ hat j+ hat k , vec b= hat i- hat j+ hat k , vec c= hat i+2 hat j- hat k

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. Obtain the inverse of the following matrix, using elementary operation...

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  2. Using matrices, solve the following system of equations: x+y+z=6; x...

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  3. Find the value of p , if (2 hat i+6 hat j+27 hat k) x ( hat i+3 hat j+...

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  4. Write the direction cosines of a line equally inclined to be three ...

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  5. Let* be a binary operation on N given by a*b = HCF(a ,\ b)\ a ,\ b\...

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  6. Find the value of x, If [[3x+y,-y],[2y-x,3]]=[[1,2],[-5,3]]

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  7. Write the value of the following determinant |(a-b,b-c,c-a),(b-c,c-a,a...

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  8. Find the value of x, from the following: |(x,4),(2,2x)|=0

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  9. Evaluate: int(cossqrt(x))/(sqrt(x))\ dx

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  10. Write the principal value of, cos^(-1)\ (cos(7pi)/6)

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  11. A card from a pack of 52 cards is lost. From the remaining cards of...

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  12. From a lot of 10 bulbs, which includes 3 defectives, a sample of 2 ...

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  13. Solve the following differential equation: (x^3+y^3)dy-x^2y dx=0

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  14. Evaluate: inte^(2x)sinx\ dx

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  15. Evaluate: int(3x+5)/sqrt(x^2-8x+7)\ dx

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  16. Find the distance of the plane 3x- 4y+12 z=3 from the origin.

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  17. Using properties of determinants, Find |(b+c,a,a),(b,c+a,b),(c,c,a+b)|

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  18. If x=a(cos t+t sin t) and y=a(sin t - t cos t), then (d^2y)/dx^2

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  19. A ladder 5 m long is leaning against a wall. The bottom of the ladd...

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  20. Solve the following differential equation: (1+x^2)dy+2x y\ dx=cotx\ ...

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