plzzzzzz help. ...
answer the fourth question..
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Answered by
2
Answer:
29
Step-by-step explanation:
=> (1/2)^-2 + (1/3)^-2 + (1/4)^-2
=> (2)^2 + (3)^2 + (4)^2
=> 4 + 9 + 16
=> 29
Answered by
1
Answer:
1/(-4) + 1/(-9)+1/(-16)
= 4+9+16
=29
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