Math, asked by guptamathamsetti33, 6 months ago

calculate standard deviation for 39,40,41,42,43,44,45,46,47,48​

Answers

Answered by Tushar041
1

Answer:

If  , ,

a b c  are three distinct real numbers then the equation

()()()()()()

xbxcxcxaxaxb

     

2222

abcx

    0  has

()()()()()()

abacbcbacacb

     

(A) exactly one root(B) exactly two roots(C) no root(D) None of these

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