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CBSE Class 12-science Answered

How to proceed with this question?
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Asked by rishabhsankla1 | 20 Aug, 2020, 09:54: PM
answered-by-expert Expert Answer
If z=xy is maximum
rightwards double arrow dz over dx equals 0 rightwards double arrow straight y dx over dx plus straight x dy over dx equals 0 rightwards double arrow straight y plus straight x dy over dx equals 0 rightwards double arrow ydx plus xdy equals 0 rightwards double arrow dx over straight x plus dy over straight y equals 0 Hence comma space option space straight A space is space correct.
Answered by Renu Varma | 27 Aug, 2020, 11:22: AM

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CBSE 12-science - Maths
solve this aod question
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CBSE 12-science - Maths
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CBSE 12-science - Maths
What will be the answer for this question?
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Asked by dineshchem108 | 09 Oct, 2019, 07:04: PM
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CBSE 12-science - Maths
An inverted cone has a depth of 40 cm and a base radius of 5cm. Water is poured into it at a rate of 1.5 cubic centimetres /minute . find the rate at which the level of water in cone is rising when the depth is 4cm. explain in great detail
Asked by haroonrashidgkp | 08 Sep, 2018, 04:14: PM
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CBSE 12-science - Maths
The maximum and the minimum values, if any of the following functions f (x) = 3x2 + 6x + 8,
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
The maximum and the minimum values, if any of the following functions f (x) = –| x – 1 | + 5 for all
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
The maximum and the minimum values, if any of the following functions  f (x) =  sin 3x + 4,
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
The maximum and the minimum values, if any of the following functions f(x) = x3 + 1 for all
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
The maximum and the minimum values, if any of the following functions  f(x) = sin (sin x) for all
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Maths
The maximum and the minimum values, if any of the following functions f (x) = |x + 3| for all
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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