Of two consecutive natural numbers is 421. Find the numbers.9. If one – InterviewSolution

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Of two consecutive natural numbers is 421. Find the numbers.9. If one root of the Quadratic equation x2 - 5x + 6k = 0 is reciprocal of other, find the value of 'k'.Also find the roots.and substitute in the quadratic formula

Answer»

Answer:

22−5(2)+k=0

(since 2 is one ROOT)

4−10+k=0k=6

equation will be x2−5x+6=0

(x−3)(x−2)=0

x=3,2

Hence, other root of the equation is 3.

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