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3
Step-by-step explanation:
(3^40+3^39)/(3^41-3^40)=2/3
3^40-41+3^39-40=2/3
3^-1+3^-1=2/3
1/3+1/3=2/3
2/3=2/3
hence proved
Answered by
2
Answer:
Step-by-step explanation:
- 3⁴⁰+3³⁹=3⁷⁹
- 3⁴¹-3⁴⁰=3¹
=3
- 3⁴⁰+3³⁹/3⁴¹-3⁴⁰
=3⁷⁹/3¹
=3⁷⁸
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