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Question

If y=11+xqp+xrp+11+xrq+xpq+11+xpr+xqr then dydx=


Your Answer
A
1
Your Answer
B
(p+q+r)xp+q+r
Your Answer
C
(p+q+r)xp+q+r

Solution

The correct option is A 0
T1=xpxp+xq+xr
y=xp+xq+xrxp+xq+xr=1 dydx=0

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