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The coordinates of the point of intersec...

The coordinates of the point of intersection of the lines `vecr=(hati+hatj-hatk)+lambda(3hati-hatj)` and `vecr=(4hati-hatk)+mu(2hati+3hatk)`

A

(4, 0, -1)

B

(-4, 0, 1)

C

(0, 4, -1)

D

(4, 0, 1)

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A
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 4
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  2. The cosine of the angle between the lines vecr=3hati+2hatj-4hatk+lam...

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  3. The coordinates of the point of intersection of the lines vecr=(hati+...

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  4. The value of a for which the lines (x-5)/(5a+2)=(2-y)/(5)=(1-z)/(-1) ...

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  5. The equation of the plane passing through the point (1, -3, -2) and pe...

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  6. If a, b be two fixed positive integers such that f(a+x)=b+[b^(3)+1-3...

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  7. The derivative of the function (sec x+tan x)/(sec x-tanx) is -

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  8. If y=sin x^(@) and z=log(10)x, then the value of ( dy)/(dz) is -

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  9. The value of (d)/(dx) [ tan^(-1){(sqrt(x) (3-x))/(1-3x)}] is -

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  10. If x=sin t and y=cos p t, then which of the following is true ?

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  11. In the mean value theorem f(b)-f(a)=(b-a)f'(c )(a lt c lt b), if a=4,...

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  12. If the function f(x)=4x^(3)+ax^(2)+bx-1 satisfies all the conditions ...

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  13. The value of lim(x to 0)(e^(x)-log(e+ex))/(x) is -

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  14. Let f(x) ={{:((1-sin x)/(pi-2x)",","when" x ne (pi)/(2)),(lamda ",","w...

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  15. If (sqrt(x))^((sqrt(x))^((sqrt(x))^(...oo))) and x(dy)/(dx) =(f(y))/...

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  16. If x=e^(t)sint and y=e^(t)cost, then the value of (x+y)^(2)(d^(2)y)...

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  17. If y=f(x^(2)) and f'(x)=sqrt(3x^(2)+1) then the value of (dy)/(dx) a...

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  18. If x=sec theta-cos theta, y =sec^(n)theta-cos^(n) theta and (x^(2)+4...

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  19. If f(x) is a differentiable function for all x gt 0 and lim(y to x)(y...

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