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249y? - o |
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Answer» y²-49/64y²=7²/8²so y=7/8 y² - 49÷64 y²= 49÷64 y=7÷8 y^2 - 49/64 = y^2 - (7/8)^2= (y + 7/8) (y - 7/8) |
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