write down all maths formulae of 6th and 7th class
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Answered by
1
Answer:
(a+b) ²
(a-b)²
(a+b)³
(a-b)³
sukho:
ok
Answered by
2
(a+b)² =a²+2ab+b²
(a-b)² =a²-2ab+b²
(a²-b²)=(a+b)(a-b)
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