Questions
a
r→⋅(λa→−μb→)=0
b
r→⋅(λb→−μa→)=0
c
r→⋅(λa→+μb→)=0
d
r→⋅(λb→+μa→)=0
detailed solution
Correct option is B
The equation of a plane through the line of intersection of the planes r→⋅a→=λ and r→⋅b→=μ is (r→⋅a→−λ)+k(r→⋅b→−μ)=0or r→⋅(a→+kb→)=λ+kμ--------iPutting the value of k in (i), we get the equation of the required plane as r→⋅(μa→−λb→)=0 or r→⋅(λb→−μa→)=0Talk to our academic expert!
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The equation to the plane through the line of intersection of such that each plane is at a distance of 2 unit from the origin is
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