if the zeros of polynomial 2x^ 2 +5x +k is the reciprocal of each other then find the value of k
Answers
Answered by
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
1
Answer:
- -7
- let a is zer
- reciprocal 1/a
- a×1/a=1
- put X=1
- 2(1^2)+5(1)+k=0
- 2+5+k
- 7+k=0
- k=-7
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