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If a and b are the zeroes of polynomial f(x)=x2-3x+2 then 1/a and 1/b is equal to

Posted by Sai Ram 4 years ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 4 years ago

p(x) = x² - 3x + 2

=> x² - 2x - x + 2 = 0

=> x(x - 2)-1(x - 2) = 0

=> (x - 1)(x - 2) = 0

=> x - 1 = 0, x = 1 => a

=> x - 2 = 0, x = 2 => b

therefore two zeros a and b are 1 and 2

1/a + 1/b = 1/1 + 1/2

=> (2+1)/2

=> 3/2. Answer

0Thank You

ANSWER

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