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How will you show that (17×11×2)+(17×11×5) …

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How will you show that (17×11×2)+(17×11×5) is a composite number? Explain.

Posted by Akash K 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 5 years, 1 month ago

( 17 x 11 x 2 ) + ( 17 x 11 x 5 )
By taking ( 17 x 11 ) common ,
= ( 17 x 11 ) ( 2 + 5 )
= ( 17 x 11 ) ( 7 )
= 17 x 11 x 7.
If any number can be represented in the form of product of prime numbers then that number is composite number.
Hence , ( 17 x 11 x 2 ) + ( 17 x 11 x 5 ) is a composite number.

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