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If the length of the perpendicular from the origin to the plane 2x + 3y + λz = 1, λ > 0 is -1/5, then the value of λ is … (a) 2√3

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If the length of the perpendicular from the origin to the plane 2x + 3y + λz = 1, λ > 0 is -1/5, then the value of λ is …

(a) 2√3

(b) 3√2

(c) 0 

(d) 1

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Best answer

(a) 2√3

Given length of perpendicular from origin to the plane 

= -1/5

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