50points.. wrong ones will be reported..
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vanshking28:
I know answer
How can i write in this threat
Answers
Answered by
0
D=25-4=21
roots=[5(+-)√{21}]/2
root1=(5+√21)/2
root2=(5-√21)/2
now put the value of root 1 in x^5+1/x^5
you will get 2525 as answer
and you will get 4.79 as answer if you put value of root 2 in equation
Answered by
0
Answer:
Correct option is
B
2525
x
2
−5x+1=0
∴x
2
+1=5x
∴x+
x
1
=5
∴x
2
+
x
2
1
=25−2=23
∴x
3
+
x
3
1
=(x+
x
1
)
3
−3(x+
x
1
)
∴x
3
+
x
3
1
=125−15
∴x
3
+
x
3
1
=110
Now (x
3
+
x
2
1
)(x
3
+
x
3
1
)=56×23
∴x
5
+x+
x
1
+
x
5
1
=110×23
∴x
5
+
x
5
1
=2530−5
∴x
5
+
x
5
1
=2525.
Step-by-step explanation:
hope it's help ✨✌❤
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