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Pranay SB

· started a discussion

· 1 Months ago

* a-1/a=7
* If we substitute a=7, the above equation will be almost satisfied.
* so, substitute a=7 in (a+1/a); you will get near value

Question:

If  a=1a-7(a>0)   , then value of a  1a    is–

Options:
A)

53    

B)

53

C)

54.6

D)

57.4

Solution:

Ans: (a)

  

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

yes this one another method to solve it.... Good keep it up.

Best wishes
Team TR

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