a minus one upon a is equal to 5 square
Answers
Answered by
2
Answer:
-1/×24
Step-by-step explanation:
a-1/a=25
a-1=25a
-1=24a
a=-1/24
Answered by
0
Step-by-step explanation:
a-1/a=5^2
a^2-1^2=25a
a^2-25a-1=0
by completing the square
a^2-25a+625/4-625/4-1=0
(a-25/2)^2=629/4
a=(629/4)^1/2+25/2
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