The-value-of-xyz-is-15-2-or-18-5-according-as-the-series-a-x-y-z-b-are-in-an-A-P-or-H-P-then-a-b-equals-where-a-b-are-ve-integers-

Tinku Tara June 3, 2023 Arithmetic 0 Comments

Question Number 12181 by rish@bh last updated on 15/Apr/17

The value of xyz is 15/2 or 18/5 according as the series a,x,y,z,b are in an A.P. or H.P., then ′a+b′ equals where a, b are +ve integers.

$$\mathrm{The}\:\mathrm{value}\:\mathrm{of}\:{xyz}\:\mathrm{is}\:\mathrm{15}/\mathrm{2}\:\mathrm{or}\:\mathrm{18}/\mathrm{5} \\ $$$$\mathrm{according}\:\mathrm{as}\:\mathrm{the}\:\mathrm{series}\:{a},{x},{y},{z},{b}\:\mathrm{are} \\ $$$$\mathrm{in}\:\mathrm{an}\:\mathrm{A}.\mathrm{P}.\:\mathrm{or}\:\mathrm{H}.\mathrm{P}.,\:\mathrm{then}\:'{a}+{b}'\:\mathrm{equals} \\ $$$$\mathrm{where}\:{a},\:{b}\:\mathrm{are}\:+\mathrm{ve}\:\mathrm{integers}. \\ $$

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