6. Find the squares of the following numbers without actual multiplication. .
(i) 65
(ii) 95
(iii) 205
Answers
Answered by
1
Answer:
a) 65×65=4225
b) 95×95=9025
c) 205×205=42025
Answered by
1
( a+b) ²=a²+2ab+b²
identity used in all questions
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