Math, asked by devnath0333, 9 months ago

24.If a=1/(a-5) , then a-1/a=?



a) 4

b) 3

c) √5

d) 5

Answers

Answered by ranvijaysingh1568
0

Answer:

4

Step-by-step explanation:

(a-3) - 1/(a-3) = 5-3 = 2

∴ (a-3)3-1/(a-3)3

=[(a-3)-1/(a-3)]3+3(a-3) 1/(a-3)

[(a-3)-1/(a-3)]

=23+3(2) =4

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