If ab = 1 , then the value of (1 + a - b ^ - 1) ^ - 1 + (1 + b - a ^ - 1) ^ - 1 is equal to
Answers
Answered by
0
Answer:
a
1
−
b
1
=
ab
1
ab
ba
=
ab
1
(b a) (a b) = ab
(ab)
2
+ ab = 0
a
2
+b
2
−ab=0
a
3
+b
3
=(a+b)(a
2
+b
2
−ab)
= (a + b) × 0 = 0
Answered by
0
Answer:
2 is the right answer. 100 percent sure
Attachments:
Similar questions