Write the following in roster form A={x|x is a two digit natural numbe

1.	Write the following in roster form A={x\|x is a two digit natural number whose sum of digits is 9}B={x\|x=4n,n E W,x is smaller than 20}
Answer» Answer: A={x\|x is a two digit NATURAL number WHOSE SUM of digits is 9} A = { 18, 27,36,45,54,63,72,81 } B={x\|x=4n,n € W,x is smaller than 20} B = {0,4,8,12,16 } Therefore., A = { 18,27,36,45,54,63,72,81 } B = { 0,4,8,12,16 } •••♪

Write the following in roster form A={x|x is a two digit natural number whose sum of digits is 9}B={x|x=4n,n E W,x is smaller than 20}

Answer»

Answer:

A={x|x is a two digit NATURAL number WHOSE SUM of digits is 9}

A = { 18, 27,36,45,54,63,72,81 }

B={x|x=4n,n € W,x is smaller than 20}

B = {0,4,8,12,16 }

Therefore.,

A = { 18,27,36,45,54,63,72,81 }

B = { 0,4,8,12,16 }

•••♪

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Write the following in roster form A={x|x is a two digit natural number whose sum of digits is 9}B={x|x=4n,n E W,x is smaller than 20}​

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Write the following in roster form A={x|x is a two digit natural number whose sum of digits is 9}B={x|x=4n,n E W,x is smaller than 20}