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If a-b=7 ab=9 then a² +b²= |
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Answer» SQUARING on both side So (A-B)^2=7^2 A^2+B^2-2ab=49 A^2+b^2=49+2*9 A^2+b^2=67 Please MARK me as brainlist I HOPE this will HELP u By DEVANSH |
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