यदि \( a, b, c \) तथा \( d \) गुणोत्तर श्रेणी में हैं तो दिखाइए कि \( \left(a^{2}+b^{2}+c^{2}\ri... VIDEO
यदि \( a, b, c \) तथा \( d \) गुणोत्तर श्रेणी में हैं तो दिखाइए कि \( \left(a^{2}+b^{2}+c^{2}\right)\left(b^{2}+c^{2}+d^{2}\right)= \) \( (a b+b c+c d)^{2} \)https://bit.ly/YTAI_PWAP https://www.pw.live
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