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Question

What are like surds and unlike surds? Identify and write the set of like surds in the following groups:
a) { 8,12,20,54 }
b) { 50,354,432 }
c) {8,18,32,50}.

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Solution

Like Surds: Like surds are those surds which has same radicand.
Unlike surds: Unlike surds are those surds which has different radicand.
a){8,12,20,54} can be written as {22,23,25,36}-- since radicands are different so it is a set of unlike surds.
b){50,354,432,} can be written as {52,32,22} --since radicands are same so it is a set of like surds.
c){8,18,32,50} can be written as {22,32,42,52}--since radicands are same so it is a set of like surds.

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