|-4b — 81 + 1 -1 - 2 | + 263
1 answer:
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Answer:
(1) 9
(2)
(3) 6()
Step-by-step explanation:
From the question,
(1) ()²
Applyin the law of multiplication of surds
()² = (
(2) ()× (
) =
Also applying the the law of multiplication of surd
()×(
) = (
) ( This is an irational answer)
∴ ()×(
) =
(3) 2()×3(
)
Also applying the law of multiplication of surds i.e Multiply surds to surds and whole number to whole number
= 2×3×()×(
)
6×() = 6(
