A natural number, when increased by 12, equals to 160 times of its reciprocal. Find the number. एक प्राकृतिक संख्या में 12 जोड़ने पर इस का मूल्य इसके व्युत्क्रम का 160 गुना हो जाता है। संख्या पता करें। *
(A) 3
(B) 8
(C) 4
(D) 7
PLEASE TELL ME THE CORRECT ANSWER.....
Answers
Answered by
2
Answer:
C) 4
Step-by-step explanation:
Answered by
6
x+12 = 160/x
x^2 + 12x -160 = 0
(x+20)(x-8) = 0
x = -20 or 8
Since x is a natural number.....
Thus x = 8 ans.
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