The value of (x−y)3+(y−z)3+(z−x)3(x2−y2)3+(y2−z2)3+(z2−x2)3 is = ?
0
1
[2(x+y+z)]−1
[(x+y)(y+z)(z+x)]−1
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If (a+b+2c+3d)(a-b-2c+3d)=(a-b+2c-3d)(a+b-2c-3d), then 2bcis equal to?
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In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?
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3
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5
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6
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The value of x2−(y−z)2(x+z)2−y2 + y2−(x−z)2(x+y)2−z2+z2−(x−y)2(y+z)2−x2 is = ?
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The value of x in the equation
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9
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