यदि \( a, b, c \) गुणोत्तर श्रेढ़ी में हैं, तो सिद्ध कीजिए कि- \[ a\left(b^{2}+c^{2}\right)=c\le...

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यदि \( a, b, c \) गुणोत्तर श्रेढ़ी में हैं, तो सिद्ध कीजिए कि-
\[
a\left(b^{2}+c^{2}\right)=c\left(a^{2}+b^{2}\right)
\]
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