Step-by-step explanation:
[tex]1. \: \: 4 \sqrt{18} \\ 4 \times \sqrt{2 \times 3 \times 3} \\ 4 \times 3 \sqrt{2} \\ 12 \sqrt{2} \\ \\ 2. \: \: 7 \sqrt{2} [/tex]
Answer:
Since, 4
18
=4
9×2
=4×3
2
=12
So, 4
,7
is like surds.
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Answers & Comments
Step-by-step explanation:
[tex]1. \: \: 4 \sqrt{18} \\ 4 \times \sqrt{2 \times 3 \times 3} \\ 4 \times 3 \sqrt{2} \\ 12 \sqrt{2} \\ \\ 2. \: \: 7 \sqrt{2} [/tex]
so, 4√18 and 7√2 is like surds.
Answer:
Since, 4
18
=4
9×2
=4×3
2
=12
2
So, 4
18
,7
2
is like surds.