Find two numbers x and y such that x square = y cube
Answers
Answered by
1
Answer:
8 square is equal to 4 cube.
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Answered by
0
ANSWER
We have to maxims x
2
y
5
and we have x+y=35
So put x=35−y in x
2
y
5
we get (1225+y
2
−70y)(y
5
)
f(y)=1225y
5
+y
7
−70y
6
f
′
(y)=6125y
4
+7y
6
−420y
5
Putting this to zero we get
y=35,y=25
f
′′
(y)=24500y
3
+42y
5
−2100y
4
f
′′
(35)=24500×35
3
+42×35
5
−2100×35
4
f
′′
(35)>0
At y=25
f
′′
(25)=24500×25
3
+42×25
5
−2100×25
4
f
′′
(25)<0
So given function will have maxima when y=25
So x=10
I HOPE THIS ANSWER IS HELPFUL FOR U THANKS
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