a-1
Q-1
2b
+
=
2
a-1 + b-1
a-1-b-1
b2 - a?
Answers
Answered by
0
Answer:
Step-by-step explanation:
a
−1
+b
−1
a
−1
+
a
−1
−b
−1
a
−1
=
b
2
−a
2
2b
2
.
Let us consider,
a=
a
−1
+b
−1
a
−1
+
a
−1
−b
−1
a
−1
=
a
1
+
b
1
a
1
+
a
1
−
b
1
a
1
=
a+b
a
ab
+
b−a
a
ab
=
b
2
−a
2
b
2
−ab+ab+b
2
a=
b
2
−a
2
2b
2
∴
a
−1
+b
−1
a
−1
+
a
−1
−b
−1
a
−1
=
b
2
−a
2
2b
2
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