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If x and y are two positive real number, such that 8x³+27y³=730 and 2x²y+3xy²=15,evaluate2x+3y step wise step solution best answer I will mark as brainlist |
| Answer» 8X3 + 27y3 = 7302x2y + 3xy2 = 15(2x + 3y)3 = (2x)3 + (3y)3 + 3 (2x) (3y) (2x + 3y)= 8x3 + 27y3 + 18XY (2x + 3y)(2x + 3y)3 = 8x3 + 27y3 + 18 (2X2Y + 3xy2)(2x + 3y)2 = 730 + 18 (15)= 730 + 270(2x + 3y)3 = 10002x + 3y = 10 | |