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`49x^(2)+14x+1` के गुणनखण्ड कीजिए | |
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Answer» `49x^(2)+14x+1` `=(7x)^(2)+2.7x+(1)^(2)=(7x)^(2)+2xx7x +1+(1)^(2)` `=(7x+1)^(2) " " [because a^(2)+2ab+b^(2)=(a+b)^(2)]` |
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