Question

5. How will you show that (17 x 11 x 2) + (17 x 11 x 5) is a composite number?
Explain.
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Answer 1

Sol : ( 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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Answer 2

Answer:

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