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A variable line  moves in such a way that harmonic mean of  and  is8. then the least area of triangle made by the line with the coordinate axes is

a)

8 sq. unit

b)

16 sq. unit

c)

32 sq. unit

d)

64 sq. unit



Question ID - 52910 | SaraNextGen Top Answer

A variable line  moves in such a way that harmonic mean of  and  is8. then the least area of triangle made by the line with the coordinate axes is

a)

8 sq. unit

b)

16 sq. unit

c)

32 sq. unit

d)

64 sq. unit

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

 are in

 is minimum at . Hence, minimum value of  is 32 sq. units

127 votes


127