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z = 0 then which one of the following expression is correctय ि३ = 0 है, तब निम्न में से कौनसा व्यंजक सही होगा।11१३(A) x+ y + z= 0(C) x + y + 2 = 3xyz(B) x + y +1=3x3 y३(D) x2 + y +1=3xyz ।there |
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Answer» x⅓ + y⅓ + z⅓ = 0 Let x⅓ = a y⅓ = b z⅓ = c then , a + b + c = 0 we know, when, a + b + c = 0then, a³ + b³ + c³ = 3abc hence, (x⅓)³ + (y⅓)³ + (z⅓)³ = 3(x⅓)(y⅓)(z⅓) x + y + z = 3(xyz)⅓ Therefore, x + y + z = 3 x⅓ y⅓ z⅓ (B) is correct option |
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