Question third - (b)
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Hii
Here is Yours Solution
(3x-3y)² + (3x+3y)²
= (3x) ² + (3y) ² - 2×3x×3y + (3x) ² + (3y) ² + 2×3x×3y
= 9x² + 9y² - 18xy + 9x² + 9y² + 18xy [-18xy & 18xy can be Cut ]
= 9x² + 9y² + 9x² + 9y²
= 18x² + 18y²
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Here is Yours Solution
(3x-3y)² + (3x+3y)²
= (3x) ² + (3y) ² - 2×3x×3y + (3x) ² + (3y) ² + 2×3x×3y
= 9x² + 9y² - 18xy + 9x² + 9y² + 18xy [-18xy & 18xy can be Cut ]
= 9x² + 9y² + 9x² + 9y²
= 18x² + 18y²
Ans
Please Mark as BrainList
Thanks
barbie4954:
But i am asking Q3 b part
OK let me check
for that I need copy and now I am somewhere u can break first part by middle term spliting after divide it by the second no
ok
and
thank you
if u want then I can after 30min
ok
done
bye
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