please ans this quickly.
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Answer:
I will use ¦ instead of the root over symbol since I can't find it
Step-by-step explanation:
¦ (1/9) + (1/16)
= ¦ ( 9 + 16)/(9×16)
= ¦ ( 25)/(9×16)
= ¦ (5)²/[(3)² × (4)²]
= 5/(3 ×4)
= 5/12
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