find the value of t²+1/t² when t+1/t = 2
Answers
Answered by
0
Answer:
(t+1/t)
Step-by-step explanation:
vikas2004:
WRONG
den pls tell me the answer
if t+1/=2, then squaring on both sides
t^2 + 1^2/t^2 = 2^2
t^2+1/t^2 = 4
answer is 4
thanks
Answered by
3
Answer: 2
Step-by-step explanation:
t+ 1/t = 2
(t+1/t)² = 4
t² + 2×t×1/t + 1/t² =4
t² + 1/t² + 2 = 4
t² + 1/t² =2
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