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Find lambda if (2 hat i+6 hat j+14 hat ...

Find `lambda` if `(2 hat i+6 hat j+14 hat k)xx\ ( hat i-\ lambda hat j+7 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)= 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)= 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 value of p , if (2 hat i+6 hat j+27 hat k) x ( hat i+3 hat j+p hat k)= vec0

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

The vectors 3 hat i- hat j +2 hat k' , 2 hat i+hat j + 3 hat k and hat i + lambda hat j - hat k are coplanar if value of lambda is (A) -2 (B) 0 (C) 2 (D) any real number

Find the value of lambda so that the following vectorts are coplanar: vec a= hat i+2 hat j-3 hat k ,\ vec b=3 hat i+lambda hat j+ hat k ,\ vec c= hat i+2 hat j+2 hat k

Determine whether the following pair of lines intersect or not. (1) vec r= hat i-5 hat j+lambda(2 hat i+ hat k); vec r=2 hat i- hat j+mu( hat i+ hat j- hat k) (2) vec r= hat i+ hat j- hat k+lambda(3 hat i- hat j); vec r=4 hat i- hat k+mu(2 hat i+3 hat k)

Find the shortest distance between lines -> r=6 hat i+2 hat j+ hat k+lambda( hat i-2 hat j+2 hat k) and -> r=-4 hat i- hat k+mu(3 hat i-2 hat j-2 hat k) .

Find the values of lambda such that x ,y ,z!=(0,0,0) and ( hat i+ hat j+3 hat k)x+(3 hat i-3 hat j+ hat k)y+(-4 hat i+5 hat j)z=lambda(x hat i+y hat j+z hat k) , where hat i , hat j , hat k are unit vector along coordinate axes.

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. Show that the relation S in the set A={x\ \ Z\ :0\ lt=x\ lt=12} given ...

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  2. A family has 2 children. Find the probability that both are boys, i...

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

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  4. Evaluate the following: int(x+2)/(sqrt((x-2)(x-3)))\ dx

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  5. Show that the differential equation ((x-y)dy)/(dx)=x+2y , is homoge...

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  6. In a certain college, 4% of boys and 1% of girls are taller than 1....

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  7. Find the vector equation of the plane passing through the points (2,...

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  8. Evaluate the following int0^(3/2)|xcospix\ |\ dxdot

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  9. Prove that the area in the first quadrant enclosed by the axis, the ...

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  10. Show that the altitude of the right circular cone of maximum volume ...

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  11. Solve for x: tan^(-1)3x+tan^(-1)2x=pi/4

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  12. Prove that: sin^(-1)(4/5)+sin^(-1)(5/(13))+sin^(-1)((16)/(65))=pi/2

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  13. If vecalpha=3 hat i+4 hat j+5 hat k and vecbeta=2 hat i+ hat j-\ 4 h...

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  14. Evaluate : int(cosx)/((2+sinx)\ (3+4sinx) dx

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  15. If [[1,2],[3,4]] [[3,1],[2,5]]=[[7,11],[k,23]], then write the value o...

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  16. Find the particular solution of the differential equation. (dy)/(dx...

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  17. Show that f\ : NvecN ,\ given by f(x)={x+1, if\ x\ i s\ od d \ \ x-...

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  18. Evaluate : int(logx)/x\ dxdot

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  19. What is the value of the determinant |(0,2,0),(2,3,4),(4,5,6)|?

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  20. What is the degree of the following differential equation? 5x\ ((d...

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