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.Find (x + y) / ( x – y) if x = 1⁄4, y = - 3/2 |
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Answer» (x+y)/(x-y)(x+y)(x+y)/(x-y)(x+y)(x+y)²/(x²-y²)(x²+2xy+y²)/(x²-y²)[(1/4)²+2×1/4×(-3/2)+(-3/2)²]/[(1/4)²- (-3/2)²][1/16+(-3/4)+9/4]/[1/16-9/4](25/16)/(-35/16)(25/16)×(-16/35)(-5/7) |
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