If (x + y) = 6 and (x2 + y2) = 20, then the value of (x – y)2 is equal to:
(x + y)2 = x2 + y2 + 2xy Or, 2xy = 62 – 20 = 16 Then, (x – y) = x + y – 2xy = 20 – 16 = 4
It is not difficult to sense country’s displeasure, even granting its rough diplomat disposition.
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We should be cautious while placing our trust in...
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The boy longed for the comfort with his mother’s lap.
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This newspaper has a bigger circu...
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Datafication leading to a higher need for...
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Newborns in India have a least chance of survival than babies born in Afghanistan and Somalia.
