lim_(x rarr0)(x(1+a cos x)-b sin x)/(x^(3))=1

lim_(x rarr0)(x(a+b cos x)-c sin x)/(x^(5))=1

Let f(x) be a function such that lim_(x rarr0)(f(x))/(x)=1 and lim_(x rarr0)(x(1+a cos x)-b sin x)/({f(x)^(3)})=1 ,then b-3a is equals to

Let lim_(x rarr0)(f(x))/(x)=1 and lim_(x rarr0)(x(1+p cos x)-q sin x)/((f(x))^(3))=1 then

lim_(x rarr0)(1/x)^(1-cos x)

lim_(x rarr0)(1-cos x)/(x)

lim_(x rarr0)x cos(1/x)

lim_(x rarr0)(cos x)/(x+1)

lim_(x rarr0)(x^(2))/(1-cos x)