Math, asked by rashdhulkanoor, 3 months ago

if the zeros of polynomial 2x^ 2 +5x +k is the reciprocal of each other then find the value of k​

Answers

Answered by patildisha1988
2

Answer:

k=2

Step-by-step explanation:

alpha=1/beta

alpha ×beta= c/a

1/beta ×beta =c/a

ie. 1= k/2

ie k=2

hope it was clear

Answered by anwar00allm723646
1

Answer:

  1. -7
  2. let a is zer
  3. reciprocal 1/a
  4. a×1/a=1
  5. put X=1
  6. 2(1^2)+5(1)+k=0
  7. 2+5+k
  8. 7+k=0
  9. k=-7
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