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roots of the equation x4+4x3-8x2+k=0 when 1. k = [0,3],are a) all real. b) two real two complex. c) no real. d) none. 2. k = (3,4],are a) all real. b) two real two complex. c) no real. d) coincident. 3. k = (-inf,0),are a) al ...
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Question 1 If \vec{a} , \vec{b} , \vec{c} be such that | \vec{a} + \vec{b} + \vec{c} |=1, \vec{c} = \lambda \vec{a} x \vec{b} and |a|= 1/ 2 , |b|= 1/ 3 , |c|= 1/ 6 then the angle between \vec{a} and \vec{b} is: A) Î /6 B) Î / ...
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Question 1 If \vec{a} , \vec{b} , \vec{c} be such that | \vec{a} + \vec{b} + \vec{c} |=1, \vec{c} = \lambda \vec{a} x \vec{b} and |a|= 1/ 2 , |b|= 1/ 3 , |c|= 1/ 6 then the angle between \vec{a} and \vec{b} is: A) Î /6 B) Î / ...
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Suppose n (≥3) persons are sitting in a row. Two of them are selected at random. The probability that they're not together is a) 1-(2/n) b) 2/(n-1) c) 1-(1/n) d) 2/(n+1) ...
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A diverging lens is placed at origin of coordinate sysytem.eqn of incident ray is y=-x/2+3. The focal length of lens is 4 cm. find eqn of divergent ray... please help....anyone.. *Image* ...
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*Image* It is an old question to a) find the number of triangles.. b) Also find the no of parallelograms c) Alos the number of Rhombus.. ...
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Today Amy celebrates her birthday. Two days later her twin brother Matthew celebrates his birthday. How can this be so? Hint: Today doesn't specifically mean the current day! ...
