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CBSE Class 11-science Answered

If y=1/a-z, find dz/dy
Asked by Anil | 31 May, 2017, 12:34: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight y equals fraction numerator 1 over denominator straight a minus straight z end fraction
rightwards double arrow straight a minus straight z equals 1 over straight y
rightwards double arrow straight a minus 1 over straight y equals straight z space space space that space is comma space space space straight z equals straight a minus 1 over straight y
differentiating space wrt space straight y comma space we space get
fraction numerator straight d straight z over denominator dy end fraction equals 0 plus 1 over straight y squared
dz over dy equals 1 over straight y squared end style
Answered by Rebecca Fernandes | 24 Nov, 2017, 12:00: PM
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