the sum of number and it's reciprocal is 50/7, then the number is
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Answer:
Step-by-step explanation:
x + 1/x =50/7
(X^2 + 1)/x = 50/7
(X^2+ 1) = 50, x = 7
X^2 = 49
X = 7
Answered by
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Let the given number be X
X+1/X=50/7
X^2+1/X=50/7
X^2–50X+1=0
X^2–49X-X+1
(7X-1)(X-7)=0
'X' the given number is 7 (or) 1/7
X+1/X=50/7
X^2+1/X=50/7
X^2–50X+1=0
X^2–49X-X+1
(7X-1)(X-7)=0
'X' the given number is 7 (or) 1/7
RamaKrishna2004:
yes u r right
thanks
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