# CBSE Class 8 Answered

**Q no . 4 and 6**

Asked by deepsikhab71.8cpsb | 09 Aug, 2021, 11:40: AM

Expert Answer

4. a.

m

^{2}- y^{2}= (m + y)(m - y)**6. a**.

(993)

^{2}- (7)^{2}= (993 + 7)(993 - 7) ....a

^{2}- b^{2}= (a + b)(a - b)= 1000 × 986

= 986000

Answered by Yasmeen Khan | 09 Aug, 2021, 06:39: PM

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