If ab + ba = 17 and a-b= 1 then a, b are
Answers
Answered by
2
Answer:
Correct option is
D
0
b
a
+
a
b
=1
ab
a
2
+b
2
=1
a
2
+b
2
−ab=0
Now, a
3
+b
3
=(a+b)(a
2
+b
2
−ab)
a
3
+b
3
=(a+b)×0=0
Step-by-step explanation:
l hope it will help u
Answered by
2
Answer:
a=3
b=2
Step-by-step explanation:
3^2+2^3=17
3-2=1
Attachments:
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