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घरेलू पर्यटन करता है इसके महत्व बताइए |
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Answer» Answer: 5(x-y)+(X+y)/(X+y)(x-y)=2 5x-5y+x-y/x²-y²=2 6x-6y=2x²-2y² 6(x-y)=2(x+y)(x-y) 6/2=(X+y) X+y=3 x=3 y=-3 |
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