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If One root of equation (k-1)x2 …

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If One root of equation (k-1)x2 - 10x + 3 =0 is the reciprocal of the other, then the value of is

Posted by Sumit Negi 6 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Sumit Negi 6 years, 1 month ago

Thanks ?

0Thank You

Maha N 6 years, 2 months ago

Beta=1/alpha General form x^2-(sum of zeroes)x+(product of zeroes) (K-1)x^2-(alpha+1/alpha)x+(alpha*1/alpha) Given the eqn, Alpha*1/alpha should be 3 So, x=1/3 (k-1)(1/3)^2-10(1/3)+3 On solving, you get k=4

0Thank You

Astha Chaudhari 6 years, 2 months ago

K=4

1Thank You

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