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if cand d be the roots of the eqvation x2+ax+b=0. if x1,x2,x3,x4 be the arthametic means inserted between c and d then x1+x2+x3+x4=20 where 1/x1+1/x2+1/x3+1/x4=4/3 if x1,x2,x3,x4 be the harmonic mean inserted between c and d then the value af a+b is

akurathi likith sai , 9 Years ago
Grade 12
anser 1 Answers
Sourabh Singh

Last Activity: 9 Years ago

Hii

you just have to make the algebraic expressions and substitute the values in the equation . Once that is done youwill get the answer.

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