Prove that: 1 1 ) (a -- c) ( 1 1 xa-b 1)(b - a) xb-c 1 C 1(c - by | 1 x - a - = 1
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Correct option is A)
⇒
1+x
b−a
+x
c−a
1
+
1+x
a−b
+x
c−b
1
+
1+x
a−c
+x
b−c
1
⇒
1+
x
a
x
b
+
x
a
x
c
1
+
1+
x
b
x
a
+
x
b
x
c
1
+
1+
x
c
x
a
+
x
c
x
b
1
⇒
x
a
+x
b
+x
c
x
a
+
x
b
+x
a
+x
c
x
b
+
x
c
+x
a
+x
b
x
c
⇒
x
a
+x
b
+x
c
1
(x
a
+x
b
+x
c
)
⇒
x
a
+x
b
+x
c
x
a
+x
b
+x
c
⇒x
0
=1
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