1.

Observe the following statements : Statement-I : If the plane x+2y-z=0is perpendicular to the plane (lambda+1)x-lambday+3z=1 then lambda is 2. Statement-II : The equation of the locus of points equidistant from the points (1,-3,4) and (3,1,-2) is x+2y-3z+3=0 Which of the above statement is correct :

Answer»

Only I
Only II
Both I and II
Neither I nor II

ANSWER :B


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