x→0limx21−cos2x⋅3cos3x…..ncosnx has value 10 then value of n equal to

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Question

$x \to 0 lim \frac{1 - cos 2 x \cdot 3 cos 3 x \dots .. n cos n x}{x ^{2}}$ has value $10$ then value of $n$ equal to

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x \to 0 lim \frac{1 - cos 2 x \cdot 3 cos 3 x \dots .. n cos n x}{x ^{2}}

has value

10

then value of

n

equal to

6 mins ago

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Question Text

x \to 0 lim \frac{1 - cos 2 x \cdot 3 cos 3 x \dots .. n cos n x}{x ^{2}}

has value

10

then value of

n

equal to