CBSE Class 10 Answered
Explain why 7 x 11 x 13 + 13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5
Asked by somyap | 26 Apr, 2010, 03:21: PM
Expert Answer
7 x 11 x 13 + 13 =13(77+1)=13x78 product of two numbers.
7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 =5(42x24+1) product of two numbers.
Since both the numbers can be expressed as the product of two numbers other then 1 and themselves so they are composite
Answered by | 26 Apr, 2010, 03:53: PM
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