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The operation is defined by
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31 Dec 2019, 08:24
31 Dec 2019, 08:24
Expert Reply
00:00
Question Stats:
82% (00:57) correct
17% (01:11) wrong based on 23 sessions
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The operation \(\otimes \) is defined by \(x \otimes y = \frac{x^2}{y} + \frac{x}{y}\) for all numbers \(x\) and \(y\), when \(y \neq 0\). What is the value of \((9 \otimes (-9))+((-9) \otimes 9 )\) ?
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Re: The operation is defined by
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01 Jan 2020, 06:58
01 Jan 2020, 06:58
1
By mirroring the operation we get: {(9^2/-9 + 9/-9) + ((-9)^2/9 + -9/9)}
= {(-81/9 -1) + (81/9-1)}
={(-9-1) + (9-1)}
={-10 + 8}
=-2
= {(-81/9 -1) + (81/9-1)}
={(-9-1) + (9-1)}
={-10 + 8}
=-2
Re: The operation is defined by
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06 Jan 2022, 09:37
06 Jan 2022, 09:37
Expert Reply
