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if cand d be the roots of the eqvation x2+ax+b=0. if x 1, x 2, x 3, x 4 be the arthametic means inserted between c and d then x 1+ x 2+ x 3+ x 4 =20 where 1/x 1 +1/x 2 +1/x 3 +1/x 4 =4/3 if x 1, x 2, x 3, x 4 be the harmonic mean inserted between c and d then the value af a+b is

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

Grade:12

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 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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