If
x, y, zare integers in A. P lying
between 1&9 and 251, y41, 231 are
three digited number then
5 4 3
x51 441 231
х
Y
z
(A) X
(B) y
(C) Z
(D) 0
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If
x, y, zare integers in A. P lying
between 1&9 and 251, y41, 231 are
three digited number then
5 4 3
x51 441 231
х
Y
z
(A) X
(B) y
(C) Z
(D) 0
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Answer:
∣
5
100x+50+1
x
4
100y+40+1
y
3
100z+30+1
z
∣
∣
∣
∣
∣
∣
∣
∣
R
2
→R
2
−100R
3
−10R
2
∣
∣
∣
∣
∣
∣
∣
∣
5
1
x
4
1
y
3
1
z
∣
∣
∣
∣
∣
∣
∣
∣
C
1
→C
1
−C
2
C
2
→C
2
−C
3
∣
∣
∣
∣
∣
∣
∣
∣
1
0
x−y
1
0
y−z
3
1
z
∣
∣
∣
∣
∣
∣
∣
∣
−1(y−z−x+y)
−(2y−x−z)=0
therefore the answer is zero