simplify the following
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a) 7√48 - √27 - √3
= 7√(16×3) - √(9×3) - √3
= 28√3 - 3√3 - √3
= 24√3
b) 3√12 × √18
= 3√(4×3) × √(9×2)
= 6√3 × 3√2
= 18√6
c) √98 ÷ √2
= √(49×2) ÷ √2
= 7√2 ÷ √2
= 7
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Answer:
same as upper
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