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The distance between z-axis and (3,4,6)i...

The distance between z-axis and (3,4,6)is

A

a)5 units

B

b)6 units

C

c)7 units

D

d)none of these

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UNITED BOOK HOUSE-ANNUAL EXAMINATION QUESTION PAPERS 2014-EXERCISE
  1. If in G.P .,t5:t3=7:9 then t9:t5is

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  2. The equation of the circle having centre at (3,7)and radius 5 units is

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  3. The distance between z-axis and (3,4,6)is

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  4. If y=sin^2(x/2),then dy/dx is

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  5. If lim(xrarr3)(x^n3^n)/(x-3)=27n,then the value of n is

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  6. A and B be two mutually exclusive events such that P(A)=3/8,P(B)=1/3,,...

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  7. The range of 62,72,44,25,54,9,56,71,27,-13,-3 is

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  8. If A={x:x=3n,n∈z)and B={x:x=6n,n∈z}.then find AcapBand AcupB

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  9. A =(1, 2, 3, 5) and B= {4, 6, 9). Define a relation R from A to B by R...

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  10. Prove that tan54^@=(cos9^@+sin9^@)/(cos9^@-sin9^@)

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  11. If tan15^@=x.then show that x^2+2sqrt3x-1=0

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  12. If omegais an imaginary cube root of unity then prove that (xomega^2+y...

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  13. If number of triangles joining angular points of a n-sided polygon be ...

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  14. Find the term independent of x in the expansion of (x-2/x^2)^15

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  15. Find the sum, if it exists ,of the following infinite G.P:1/3-2/9+4/27...

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  16. Find the area of the triangle formed by the staright line 2x-3y=6 with...

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  17. Find the coordinates of the point which divides the line segment joini...

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  18. Find the derivative of the function f(x)=2x^(2)+3x-5" at "x=-1. Also p...

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  19. if lim(xrarra)f(x)=lim(xrarra)g(x),then whether f(x)=g(x) is always tr...

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  20. If P(A)=2/3,P(B)=1/2,P(AcapB)=1/6,then find the value of P(AcapB')and ...

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