What will be the value of y if y³-y-6=0 ,find y?? Very tuff questions plz solve this
pushkar , 7 Years ago
Grade
9 grade maths> What will be the value of y if y³-y-6=0 ,...
1 Answers
Arun
Last Activity: 7 Years ago
Dear student
By hit and trial method
y = 2 is the solution.
Now
(y³ - y - 6) /(y -2) = (y² +2y +3)
Now y² +2y +3 has no real solution.
Hence y = 2 has only real solution
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