Question

$\sf {If \: a_1\:,a_2\:,............. a_n\:are \:in \:AP\: then\:\dfrac{\sqrt{a_1}\:+\:\sqrt{a_n}}{\sqrt{a_1}\:+\:\sqrt{a_2}}\:+\:} \\ \sf{\dfrac{\sqrt{a_1}\:+\:\sqrt{a_n}}{\sqrt{a_2}\:+\:\sqrt{a_3}} \: + \:...........\:\dfrac{\sqrt{a_1}\:+ \:\sqrt{a_n}}{\sqrt{a_{n-1}\:+\:\sqrt{a_n}}=}}$



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Chapter : Arithmetic Progression ​

Answer 1

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