1.Which of the following will be the middle digit of the lowest number formed after the digits in each number is arranged in descending order?
642 379 894 546 795
Answers
Answered by
1
Answer:
let a
2
−b
2
=x
1
;b
2
−c
2
=y
1
;c
2
−a
2
=z
1
x
1
+y
1
+z
1
=0
⇒x
1
3
+y
1
3
+z
1
3
=3x
1
y
1
z
1
=3(a
2
−b
2
)(b
2
−c
2
)(c
2
−a
2
)
let a−b=x
2
;b−c=y
2
;c−a=z
2
x
2
+y
2
+z
2
=0
⇒x
2
3
+y
2
3
+z
2
3
=3x
2
y
2
z
2
=3(a−b)(b−c)(c−a)
So,
x
2
3
+y
2
3
+z
2
3
x
1
3
+y
1
3
+z
1
3
=(a+b)(b+c)(c+a
Step-by-step explanation:
Answered by
0
Step-by-step explanation:
c is the correct answer hope this help you
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