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CBSE Class 8 Answered

Q no . 4 and 6
Asked by deepsikhab71.8cpsb | 09 Aug, 2021, 11:40: AM
Expert Answer
4. a.
 
m2 - y2 = (m + y)(m - y)   
 
 
6. a.
 
(993)2 - (7)2 

= (993 + 7)(993 - 7)   ....a2 - b2 = (a + b)(a - b)   
= 1000 × 986
= 986000
Answered by Yasmeen Khan | 09 Aug, 2021, 06:39: PM
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