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CISCE(English Medium) ICSE Class 9
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Syllabus

Find the Value of : ( 987 )2 - (13)2

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Question

Find the value of : ( 987 )2 - (13)2

Sum
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Solution

( 987 )2 - (13)2 
= ( 987 + 13 )( 987 - 13)
= 1000 x 974
= 974000

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Factorisation by Taking Out Common Factors
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Q 20.1
Chapter 5: Factorisation - Exercise 5 (E) [Page 76]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 5 Factorisation
Exercise 5 (E) | Q 20.1 | Page 76
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