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Surds and Indices
(17)3.5 x (17)? = 178
2.29
2.75
4.25
4.5
Correct Answer:
4.5
Explanation:
Let (17)
3.5
x (17)
x
= 17
8
Then, (17)
3.5 +
x
= 17
8
.
∴ 3.5 +
x
= 8
⟹
x
= (8 - 3.5)
⟹
x
= 4.5
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