The value oflimh→0In(1+2h)−2In(1+h)h2is
1
-1
0
2
limh→0In(1+2h)−2In(1+h)h2=limh→0In(1+h)2−In(1+2h)h2=limh→0In((1+h)21+2h)h2=limh→0In((1+h2)1+2h)(h21+2h)(1+2h)=limh→0In(1+h21+2h)(h2.1+2h)11+2h=−1 [Usinglimx→0log1+xx=1]
The value of p−1⋅q⋅q−1⋅r⋅r−1⋅p is(a) –1(b) 0(c) 1(d) 2