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00:00Assalamualaikum, exercise 3.5

00:03This type of question we have done in the back exercise

00:08I guess it was 3.2

00:10joint variation

00:14a combination of the direct and inverse variation of one or more than one variable

00:18forms joint variation

00:22first we have only direct and inverse

00:25single single

00:26so if we have a combination of the direct, then we call joint variation

00:30if s varies directly as u square

00:34s varies directly to the u square

00:36and inversely as v

00:38and inversely which is v

00:40now the values are given

00:42and you have to find out

00:44see this

00:46this given

00:48constant k

00:50these values are given

00:52simply just put it

00:54you have a k answer

00:56okay

00:5814 by 9

01:00click value

01:02and you have a form

01:04again values

01:06you have just put keys

01:08and this is 28 by 5

01:10and you have to find out

01:12and you have to find out

01:14and you have to find out

01:16and you have to find out

01:18if w varies inversely

01:20as the cube of the u

01:22and w is equal to 5

01:24when u is equal to 3

01:26simply

01:28simply

01:30this board

01:32is important

01:34simply

01:36k value is 135

01:38and you have to find out

01:40and you have to find out

01:42and you have to find out

01:44and you have to find out

01:46and you have to find out

01:484-5

01:50you have to find out

01:52and you have to find out

01:54and you have to find out

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