Math, asked by santoshkumar3638, 1 year ago

the HM between 1/21 and -1/5 is-​

Answers

Answered by 26Apoorv
11
HM = 2ab/(a+b)

=( 2×(1/21)×(-1/5))/((1/21)+(-1/5))

= (-2/ 105)/(-16/105)

= 2/16 = 1/8 = answer.

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