Last Activity: 11 Years ago
x-1=h(let). so lim h tends to zero sinh(2^0.5)/h=root 2
Limx-1 √(1-cos2(x-1))/x-1
Let x-1->0 so taking x-1=h
Also converting cos2(h) in 1-2sin2h
√2 is the answer
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Last Activity: 2 Year ago(s)